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It’s a more ambitious commitment that carries much higher risks—but also strategic rewards—for the Western alliance.

“Nobody thought the Russians would start a medieval war in the 21st century,” said Sen. James Risch, the ranking Republican on the Senate Foreign Relations Committee. “This conflict is going to change the face of Europe as much as World War II did.”

In Asia, the Middle East and elsewhere, the West’s geopolitical adversaries are calculating whether the U.S. and its allies have the stamina and cohesion to defend the rules-based international order that has benefited the West for decades.

In particular, the future of Taiwan and the South China Sea is closely linked to the West’s record in Ukraine.

“If Putin wins in Ukraine, the message to him and other authoritarian leaders will be that they can use force to get what they want. This will make the world more dangerous and us more vulnerable.”

The Munich conference capped several weeks in which the U.S. and its allies have dramatically expanded the scope of their military aid, an indication that Mr. Putin’s expectation that the West will eventually tire of helping Ukraine hasn’t materialized just yet

Both sides believe they can win on the battlefield, and little room exists for peace negotiations. Ukraine is preparing offensives to regain the roughly 18% of its territory still occupied by Moscow, including the Crimea peninsula and parts of the eastern Donbas region that Mr. Putin seized in 2014. Russia has declared four Ukrainian regions, none of which it fully controls, to be its own sovereign territory and seeks, at the very least, to conquer those lands. Mr. Putin, in a speech on Tuesday, indicated that his aspirations remain much broader, referring to Russia’s “historical territories that are now called Ukraine.”

A year into Europe’s bloodiest conflict since World War II, Ukraine’s own military industries have been shattered by Russian missile strikes, and its reserves of Soviet-vintage weapons are running out. By now, Kyiv can keep fighting only as long as Western assistance continues apace

“The next months will be very critical. If, say, another Ukrainian offensive fails, if it becomes the public narrative that it’s going to be a stalemate, support in the West might drop—perhaps not substantially, but some of the politicians will see the writing on the wall,

“In diplomacy, morality is part of the public narrative, but rarely part of the real decision-making process. But Ukraine’s case was one of the examples in history when you can argue that sympathy based on moral arguments was a game changer,”

“Some governments acted the way they did not merely based on their practical considerations but under enormous pressure of their public opinion. And that public opinion was based on moral compassion for the victim of the aggression.”

Mr. Putin has tried to counter the Ukrainian message by appealing to fear. On the first morning of the war, he alluded to nuclear weapons to deter the West from helping Ukraine.

“Putin is threatening Armageddon, and the Russians are doing it all the time, sometimes in oblique ways and sometimes in a more direct way,

“But when you actually poke at that and provide weapons gradually over time, there hasn’t been the catastrophic response that Putin promised.”

“boiling the frog.” As the U.S. began to introduce new weapons systems, it did so slowly and, initially, in limited numbers. None of these individual decisions were of sufficient scope to provoke a dramatic escalation by Moscow. But over the past 12 months, the cumulative effect of these new weapons has transformed the balance of power on the battlefield and enabled a string of strategic Ukrainian victories.

“If you look at the arc of Western involvement, no one would have predicted where we are now six months ago, and the same goes for six months before that. It’s a crisis response that has evolved into a policy—a policy that, probably, no one would have prescribed at the outset,” said Samuel Charap, a senior political scientist at Rand Corp. who has urged caution on arming Ukraine

“The West is also the frog that is boiling itself. With each incremental increase in assistance, qualitative or quantitative, we become accustomed to that being normal, and the next one doesn’t seem so extreme,”

“There is a dynamic here where we become desensitized to what is going on. We are in a bit of a slow-moving spiral that shows no signs of letting up.”

In 2014, after Mr. Putin annexed Ukraine’s Crimea peninsula and triggered a bloody war in the eastern Donbas region, covertly sending troops and heavy weapons across the border, the American and European response was limited to sanctions that only marginally affected Russia’s economy.

Back in 1991, President George H.W. Bush viewed Ukraine’s desire for freedom as a dangerous nuisance. That year, just months before the Soviet Union’s collapse, he delivered to the Ukrainian parliament his infamous “Chicken Kiev” speech, urging Ukrainians to abandon “suicidal nationalism” and permanently remain under the Kremlin’s rule.

Other analysts and policy makers argue that the true danger lies in excessive caution over accelerating Western military involvement. “We have been slow in delivering certain capabilities. We keep climbing the stairs, but it goes through a tortuous process, and in the meantime Ukrainians are dying,” said ret. Lt. Gen. Ben Hodges, a former commander of the U.S. Army in Europe. “It has taken the Pentagon a long time to come to the realization that Ukraine can win, and will win, especially if we give them what they need. There has been all too much defeatist hand-wringing.”

At the time, President Barack Obama resisted calls to help Ukraine militarily as he sought Mr. Putin’s cooperation on his presidency’s main foreign-policy priority, the nuclear deal with Iran

Ukraine, Mr. Obama said in an interview with the Atlantic in 2016, “is going to be vulnerable to military domination by Russia no matter what we do.” All the evidence of the past 50 years, he added, suggested that Russian (and Chinese) decision-making wouldn’t be influenced by “talking tough or engaging in some military action.”

Mr. Biden, speaking in front of U.S., Polish and Ukrainian flags to a cheering crowd in Warsaw on Tuesday, had a different message. “Ukraine will never be a victory for Russia,” he pledged. “Appetites of the autocrat cannot be appeased. They must be opposed.”

The speech might have been rambling and emotional but its motivation was clear. And it immediately created a quandary for many West-blamers and Putin-understanders. How would you square your belief in national sovereignty and the effective declaration by the Russian president that Ukraine shouldn’t have any?

On the left Russia stood as a flawed bulwark against imperialism, on the right against the supranational machinations of the New World Order (the EU, Nato, the UN, whatever).

I don’t call these western apologists for Putin traitors, or fifth columnists, or paid agents of Russia. They’re none of those things. I note that as of today, courtesy of Putin, these people all look foolish.

But if the Moscow autocrat follows through the logic of his own words, then things may get very difficult for us all. A price will be paid, economically certainly and possibly in something more precious.

It will be Putin’s doing but there will be an increasing number of voices raised blaming our own governments and institutions. Voices that must be heard but must be countered.

Russia and Ukraine are major wheat exporters, while Russia and Belarus (a Russian proxy) are big in potash, an input into fertilisers.

Their delivery might be disrupted if physical infrastructure such as pipelines or Black Sea ports are destroyed. Alternatively, deeper sanctions on Russia’s commodity complex could prevent Western customers from buying from it.

Sanctions after the invasion of Crimea did not prevent BP, ExxonMobil or Shell from investing in Russia, while American penalties on Rusal, a Russian metals firm, in 2018 were short-lived.

Russia may retaliate by deliberately creating bottlenecks that raise prices. America may lean on Saudi Arabia to increase oil production and prod its domestic shale firms to ramp up output.

America is thus likely to put much tougher Huawei-style sanctions on Russian tech firms, limiting their access to cutting-edge semiconductors and software, and also blacklist Russia’s largest two banks, Sberbank and VTB, or seek to cut Russia off from the SWIFT messaging system that is used for cross-border bank transfers.

The banking restrictions will bite immediately, causing a funding crunch and impeding financial flows in and out of the country.

Russia will turn to China for its financial needs. Already trade between the two countries has been insulated from Western sanctions, with only 33% of payments from China to Russia now taking place in dollars, down from 97% in 2014.

The whistleblower added that no one in the government knew the true figure of the dead because “we have lost contact with major divisions”.

FSB officers had been ordered to assess the effects of western sanctions, they said, but were told that it was a hypothetical box-ticking exercise. “You have to write the analysis in a way that makes Russia the victor . . . otherwise you get questioned for not doing good work,” they wrote. “Suddenly it happens and everything comes down to your completely groundless analysis.

“[We are] acting intuitively, on emotion . . . our stakes will have to be raised ever higher with the hope that suddenly something might come through for us.

“By and large, though, Russia has no way out. There are no options for a possible victory, only defeat.”

The letter said that Ramzan Kadyrov, the Chechen leader and an ally of Putin, was on the verge of outright conflict with the Russians after his “hit squad”, sent to kill President Zelensky, was destroyed by Ukrainian forces.

Even if Zelensky were killed, the report said, Russia would have no hope of occupying Ukraine. “Even with minimum resistance from the Ukrainians we’d need over 500,000 people, not including supply and logistics workers.”

The analyst said that the SVR, Russia’s foreign intelligence service, was trying to “dig up dirt” to claim that Ukraine had built nuclear weapons, a pretext for a pre-emptive strike.

The 2,000-word document was published by Vladimir Osechkin, a Russian human rights activist who runs the anti-corruption website Gulagu.net.

Christo Grozev, an expert on the Russian security services, said he had shown the letter to two FSB officers, both of whom had had “no doubt it was written by a colleague”.

The war, the writer said, had been given a “provisional deadline” of June because by then the Russian economy will have collapsed. “I have hardly slept at all recently, working all hours, in a brain-fog,” they wrote. “Maybe it’s from overwork, but I feel like I am in a surreal world. Pandora’s Box has been opened.”

The author said they could not rule out international conflict and that they were expecting “some f***ing adviser to convince the leadership” to send an ultimatum to the West threatening war if sanctions were not lifted.

“What if the West refuses?” they wrote. “In that instance I won’t exclude that we will be pulled into a real international conflict, just like Hitler in 1939.” Elsewhere in the letter they said: “Our position is like Germany in 1943-44 — but that’s our starting position.”

The implications for China extend beyond Ukraine, and even Europe.

“He’s damned if he did know, and damned if he didn’t,” Paul Haenle, a former director for China on the National Security Council, said of whether Mr. Xi had been aware of Russia’s plans to invade. “If he did know and he didn’t tell people, he’s complicit; if he wasn’t told by Putin, it’s an affront.”

In any case, the invasion evidently surprised many in Beijing’s establishment

Mr. Xi’s statement with Mr. Putin on Feb. 4 endorsed a Russian security proposal that would exclude Ukraine from joining the North Atlantic Treaty Organization.

Even so, as Mr. Putin became determined to reverse Ukraine’s turn to Western security protections, Chinese officials began to echo Russian arguments. Beijing also saw a growing threat from American-led military blocs.

“Putin may have done this anyway, but also it was unquestionably an enabling backdrop that was provided by the joint statement, the visit and Xi’s association with all of these things,”

“He owns that relationship with Putin,” Mr. Haenle said. “If you’re suggesting in the Chinese system right now that it was not smart to get that close to Russia, you’re in effect criticizing the leader.”

For decades it sought to build ties with Russia while also keeping Ukraine close.

Over the past years, as growing numbers of Ukrainians supported joining NATO, Chinese diplomats did not raise objections with Kyiv, said Sergiy Gerasymchuk, an analyst with Ukrainian Prism, a foreign policy research organization in Kyiv.

For both leaders, their partnership was an answer to Mr. Biden’s effort to forge an “alliance of democracies.”

Before and shortly after the invasion, Beijing sounded sympathetic to Moscow’s security demands, mocking Western warnings of war and accusing the United States of goading Russia. Over the past two weeks, though, China has sought to edge slightly away from Russia. It has softened its tone, expressing grief over civilian casualties. It has cast itself as an impartial party, calling for peace talks and for the war to stop as soon as possible.

Beijing had its own complaints with NATO, rooted in the bombing of the Chinese Embassy in Belgrade, Serbia, during NATO’s war in 1999 to protect a breakaway region, Kosovo. Those suspicions deepened when NATO in 2021 began to describe China as an emerging challenge to the alliance.

n Feb. 23, a foreign ministry spokeswoman, Hua Chunying, accused Washington of “manufacturing panic.”

Chinese officials tweaked their calls to heed Russia’s security, stressing that “any country’s legitimate security concerns should be respected.” They still did not use the word “invasion,” but have acknowledged a “conflict between Ukraine and Russia.”

“Many decision makers in China began to perceive relations in black and white: either you are a Chinese ally or an American one,”

“They still want to remain sort of neutral, but they bitterly failed.”

One 12th-grade student in Kabul said the decision had stamped out her last bit of hope that she could achieve her dream of becoming a lawyer.

“Education was the only way to give us some hope in these times of despair, and it was the only right we hoped for, and it has been taken away,” the student, Zahra Rohani, 15, said.

On Monday, the Ministry of Education had announced that all schools, including girls’ high schools, would reopen on Wednesday at the start of the spring semester. The following day, a Ministry of Education spokesman released a video congratulating all students on the return to class.

Mehrin Ekhtiari, a 15-year-old student in 10th grade, said she and her classmates were shocked when a teacher announced the news to the classroom on Wednesday morning.

“My hope was revived after eight months of waiting,” she said, adding later that the announcement had “dashed all my dreams.”

In recent months, the Taliban had also come under mounting pressure to permit girls to attend high school from international donors, aid from which has helped keep Afghanistan from plunging further into a humanitarian catastrophe set off by the collapse of the former government and Western sanctions that crippled the country’s banking system.

. He attributed the decision to a lack of a religious uniform for girls and the lack of female teachers for girls, among other issues.

Many principals and teachers said they only received the new instructions from the ministry after students had already arrived for classes Wednesday.

The move came a little more than a week before a pledging conference where the United Nations had hoped donor countries would commit millions of dollars in badly needed aid, as Afghanistan grapples with an economic collapse that has left over half of the population without sufficient food to eat. It is unclear whether donors will be willing to contribute following the Taliban’s abrupt reversal on the key commitment of girl’s education.

The Taliban on Wednesday abruptly reversed their decision to allow girls’ high schools to reopen this week, saying that they would remain closed until officials draw up a plan for them to reopen in accordance with Islamic law.

When schools reopened in September for grades seven through 12, Taliban officials told only male students to report for their studies, saying that girls would be allowed to return after security improved and enough female teachers could be found to keep classes fully segregated by sex.

Later, Taliban officials insisted that Afghan girls and women would be able to go back to school in March, and many Western officials seized on that promise as a deadline that would have repercussions for the Taliban’s efforts to eventually secure international recognition and the lifting of at least some sanctions.

“I’m deeply troubled by multiple reports that the Taliban are not allowing girls above grade 6 to return to school,” tweeted Ian McCary, the chief of mission for U.S. Embassy Kabul, currently operating out of Doha, Qatar. “This is very disappointing & contradicts many Taliban assurances & statements.”

At one girls’ private high school in Kabul, more female students had arrived for classes Wednesday morning compared to previous years, the school’s principal said in an interview.

“They came to my office, crying,” said the principal,

The decision “doesn’t make sense at all, and it has no logic,” the principal added, noting that the new government has had over seven months to design a new uniform and address the teacher shortage.

Since seizing power, the Taliban have been reckoning with the need for consistent policies while struggling to tread a delicate line that satisfies their more moderate members, their hard-line base and the international community.

The sudden reversal on the girls’ secondary schools seemed to validate existing concerns among Western donors that, despite assurances, they are dealing with much the same Taliban as the 1990s.

“The Taliban have been solidifying their position and becoming hard-line on a lot of issues,” Mr. Bahiss said.

In recent months, the new government has issued restrictions on local media and cracked down on peaceful protests. Taliban officials have also issued new restrictions on women, including a ban on traveling farther than 45 miles in a taxi unless they are accompanied by a male chaperone.

“You can’t exercise your other rights if you can’t leave your house to attend your job or attend education classes,” Ms. Barr said. “It’s a really alarming sign of what may be to come, it’s likely to herald further crackdowns on women.”

Leaders in the deeply conservative Utah say they need the law to protect women's sports. As cultural shifts raise LGBTQ visibility, the lawmakers argue that, without their intervention, more transgender athletes with apparent physical advantages could eventually dominate the field and change the nature of women's sports.

he team is also partially owned by NBA all-star Dwyane Wade, who has a transgender daughter.

The looming threat of a lawsuit worries school districts and the Utah High School Athletic Association, which has said it lacks the funds to defend the policy in court. Later Friday, lawmakers are expected to change the bill so state money would cover legal fees.

The group Visit Salt Lake, which hosts conferences, shows and events, said the override could cost the state $50 million in lost revenue. The Utah-based DNA-testing genealogy giant Ancestry.com also urged the Legislature to find another way. The American Principles Project is confident that states with bans won't face boycotts like North Carolina did after limiting public restrooms transgender people could use. It focused on legislation in populous, economic juggernaut states like Texas and Florida that would be harder to boycott, Schilling said.

Friday's deliberations came after more than a year of debate and negotiation between social conservatives and LGBTQ advocates. Republican sponsor Rep. Kera Birkeland worked with Cox and civil rights activists at Equality Utah before introducing legislation that would require transgender student-athletes to go before a government-appointed commission.

The proposal, although framed as a compromise, failed to gain traction on either side. LGBTQ advocates took issue with Republican politicians appointing commission members and evaluation criteria that included body measurements such as hip-to-knee ratio.

But the ban won support from a vocal conservative base that has particular sway in Utah's state primary season. Even with primaries looming, however, some Republicans stood with Cox to reject the ban.

Ready for more bad infectious diseases news? There's an outbreak of bird flu making its way into U.S. poultry flocks. If the virus continues to spread, it could affect poultry prices — already higher amid widespread inflation. The price of chicken breasts this week averaged $3.63 per pound at U.S. supermarkets — up from $3.01 a week earlier and $2.42 at this time last year, the Agriculture Department says.

The latest data from the USDA show 59 confirmed sites of avian flu across commercial and backyard flocks in 17 states since the start of the year. That figure includes chickens, turkey and other poultry. The USDA identified a case of avian flu in a wild bird in mid-January, the first detection of the virus in wild birds in the U.S. since 2016. Wild birds can spread the virus to commercial and backyard flocks. By Feb. 9, the virus had been identified in a commercial flock in Indiana.

The last major avian flu outbreak in the U.S. was from December 2014 to June 2015, when more than 50 million chickens and turkeys either died from highly pathogenic avian influenza (HPAI) or were destroyed to stop its spread.

Whether the 2022 avian flu will affect the price of eggs and poultry depends on how widespread it becomes, says Ron Kean, a poultry science expert at the University of Wisconsin-Madison Department of Animal and Dairy Sciences. "In 2015, we did see quite an increase in egg prices," Kean told Wisconsin Public Radio. "The chicken meat wasn't severely affected at that time. We did see quite a loss in turkeys, so turkey prices went up. So, we'll see. If a lot of farms contract this, then we could see some real increases in price."

For producers who suspect their flock may be affected by avian flu, the USDA has a guide to the warning signs, including a sudden increase in bird deaths, lack of energy and appetite, and a decrease in egg production. If a flock is found to be infected by bird flu, the USDA moves quickly — within 24 hours — to assist producers to destroy the flock and prevent the virus from spreading.

A new Virginia state law prohibiting mask mandates in public schools does not apply to 12 students with disabilities whose parents challenged the law, a federal judge has ruled. Last month, the parents of 12 students across Virginia asked the court to halt enforcement of the law, saying it violated their rights under the federal American with Disabilities Act. The law, signed by newly elected Republican Gov. Glenn Youngkin, went into effect March 1; it gives parents a say over whether their children should wear masks in school.

The group of parents have children whose health conditions range from cystic fibrosis to asthma that put them at heightened risk for COVID-19.

The American Civil Liberties Union, which was one of several legal organizations that filed on behalf of the plaintiffs, said the injunction served as a "blueprint."

In a statement, Virginia Attorney General Jason Miyares said the ruling affirms that "parents have the right to make choices for their children."

When Judge Katanji Brown Jackson entered the Senate chamber this week to face questions on her readiness to join the Supreme Court, she did so as the first Black woman in the nation's history to be nominated to that position. For many Black law students and professionals, including a group of 150 who traveled from across the country to watch the historic hearing, Jackson's rise to likely associate justice gives a message of profound hope for what they too might one day be able to accomplish.

Dudley was one of 100 law students selected nationwide to attend a series of events and watch parties for Jackson's nomination, hosted by the progressive organization, Demand Justice. The group also included 50 public defenders — a nod to Jackson's own background in that field. "I see a lot of myself in her. I see a lot of my friends in her, and I wanted to be there to support," Dudley said, calling Jackson "overly qualified to sit on the Supreme Court."

The cohort of legal professionals cheered on Jackson as she faced questions from Republicans about her past cases, particularly those relating to child sex abuse, and on what school of thought she would bring to determining the constitutionality of high-profile cases. Republicans had vowed to oppose President Joe Biden's nominees to the court, and when news of Justice Stephen Breyer's imminent retirement broke, the GOP quickly mobilized to attack potential nominees who might replace the longtime liberal justice on the bench.

Particularly, some sentencing decisions in child pornography cases drew GOP fire. But Jackson's measured responses throughout the three days of questioning solidified the support of many onlookers, who reveled in what it would mean to have a Black woman sit on the bench for the first time in the court's 233-year history. "The fact of the matter is that I'm the father of three black girls, right? And to be able to tell them that finally, someone who is Black — female nonetheless — is finally on the precipice of a mountain that has never been climbed before by any other Black woman, is huge," said Edrius Stagg, a third-year law student at Southern University Law Center in Baton Rouge.

Sen. Joe Manchin of West Virginia — whose break from Democrats on a number of politically fraught votes had worried some as to whether he would support Biden's nominee — announced on Friday he would vote in favor of Jackson's confirmation, all but assuring her path to join the bench.

For some, the optics of seeing Jackson — a Black woman — defend her credentials to a group of largely white, predominantly male detractors, was a familiar scene. It has played out, students said, in workplaces the world over and across the socioeconomic spectrum.

Booker called the attacks on Jackson's record "dangerous" and "disingenuous," noting the complexities of cases that had been boiled down to their basest points in order to damage Jackson's image.

"I'm not gonna let my joy be stolen," he continued. "Because I know, you and I, we appreciate something that we get that a lot of my colleagues don't." And while Jackson's opponents peppered her with politically polarizing questions, her supporters grew even more convinced that Jackson was qualified for the job. "To see her hold her composure and just answer the questions just to the best of her capabilities was just really great to see," said Jasmine McMillion, a third-year law student at Florida Agricultural and Mechanical University College of Law.

Biden opened his address saying that Ukraine is now a front line battle in the fight between autocracy and democracy, casting Russia's invasion of its neighbor as part of the decades-long battle that has played out between the West and the Kremlin."My message to the people of Ukraine is ... we stand with you. Period," said Biden.

"America's ability to meet its role in other parts of the world rests upon a united Europe and a secure Europe," Biden said Saturday as he met with Polish President Andrzej Duda in Warsaw. "We have learned from sad experiences in two world wars, when we've stayed out of and not been involved in stability in Europe, it always comes back to haunt the United States."Biden's comments came during the final day of a last-minute trip to Europe aimed at synchronizing how Western allies address Russia's aggression against Ukraine. Biden and Duda spent a lengthy stretch in a one-on-one meeting before beginning an expanded session with aides. Biden said he raised the world war comparisons during the private meeting.

The President's comments are a sharp contrast from the "America First" foreign policy of former President Donald Trump, who called NATO "obsolete" before he came into office and often questioned the value of American alliances with European nations. Trump's time in office was marked by his spats with foreign leaders and the often-contentious nature of his dealings with traditional American allies in Europe and across the globe.

As it got underway, Kuleba described an arduous journey from Kyiv to Warsaw that included a train and three hours in a car."It's like flying from Kyiv to Washington with a connecting flight in Istanbul," Kuleba said. "The good thing is that since the beginning of the war I've learned how to sleep under any conditions. So I slept on the train, I slept in the car."

Ukraine has been pressuring the US and NATO to increase the military assistance they are providing to Ukraine, including calls from President Volodymyr Zelensky to establish a no-fly zone.After talks in Brussels this week, during which Zelensky appeared virtually, it did not appear NATO members had warmed to the idea. Biden has said becoming more directly involved in the conflict could usher in World War III.That left Ukraine's leaders dismayed. "We are very disappointed, in all honesty. We expect more bravery. Expected some bold decisions. The alliance has taken decisions as if there's no war," said Andriy Yermak, head of the Office of the President of Ukraine, in a live interview with the Atlantic

Biden met with chef José Andrés and other volunteers in Warsaw Saturday at a food distribution site for Andrés' World Center Kitchen, the nonprofit devoted to providing meals in the wake of disasters. Biden met with some of the volunteers, some from Europe and some from the United States."God love ya," the President could be heard saying to them and asking if he could help them.

The Polish President added that Biden's visit "demonstrates a huge support and also a big significance attached by the United States to the stability and world peace, to reinstating the peace where difficult situations are happening in places where somebody resorts to acts of aggression against other democratic and free nations -- as it is happening today against Ukraine where the Russian aggression, unfortunately, happening for a month now is effect."This story has been updated with additional developments on Saturday.

For every COVID death, many more older people develop serious illness. Risk increases with age, and people older than 70 “have a substantially higher rate of hospitalizations” than those ages 60 to 69,

Where America has landed is hardly a new way of life but rather one that is simply more onerous. “One way to think about it is that this is a new risk that’s out there” alongside other natural causes of death, such as diabetes and heart failure,

The antiviral Paxlovid was supposed to help blunt the wave of old people falling sick and ending up in the hospital—and it can reduce severe disease by 50 to 90 percent. But unfortunately, it is not widely used; as of July, just a third of Americans 80 or older took Paxlovid.

The reality is that as long as the virus continues to be prevalent, older Americans will face these potential outcomes every time they leave their home. That doesn’t mean they will barricade themselves indoors, or that they even should. Still, “every decision that we make now is weighing that balance between risk and socialization,”

Persistent coughs, aches, and joint pain can linger long after serious illness, together with indirect impacts such as loss of muscle strength and flexibility, which can affect older people’s ability to be independent, Rivers said. Older COVID survivors may also have a higher risk of cognitive decline. In some cases, these ailments could be part of long COVID, which may be more prevalent in older people.

Before the pandemic, the association between loneliness and higher mortality rates, increased cardiovascular risks, and dementia among older adults was already well established. Increased isolation during COVID amplified this association.

Even older adults who have weathered the direct and indirect effects of the pandemic still face other challenges that COVID has exacerbated. Many have long relied on personal caregivers or the staff at nursing facilities. These workers, already scarce before the pandemic, are even more so now because many quit or were affected by COVID themselves

“Long-term care has been in a crisis situation for a long time, but it’s even worse now,” Muramatsu said, noting that many home care workers are older adults themselves

Older people won’t have one single approach to contending with this sad reality. “Everybody is trying to figure out what is the best way to function, to try to have some level of everyday life and activity, but also keep your risk of getting sick as low as possible,”

Again, many of these people did not have it great before the pandemic, even if the rest of the country wasn’t paying attention. “We often don’t provide the basic social support that older people need,” Kenneth Covinsky, a clinician-researcher at the UCSF Division of Geriatrics, said. Rather, ageism, the willful ignorance or indifference to the needs of older people, is baked into American life.

It is perhaps the main reason older adults were so badly affected by the pandemic in the first place, as illustrated by the delayed introduction of safety precautions in nursing homes and the blithe acceptance of COVID deaths among older adults. If Americans couldn’t bring themselves to care at any point over the past three years, will they ever?

An aperiodic tiling displays no such “translational symmetry,” and mathematicians have long sought a single shape that could tile the plane in such a fashion. This is known as the einstein problem.

“I’m always messing about and experimenting with shapes,” said Mr. Smith, 64, who worked as a printing technician, among other jobs, and retired early. Although he enjoyed math in high school, he didn’t excel at it, he said. But he has long been “obsessively intrigued” by the einstein problem.

now a new paper — by Mr. Smith and three co-authors with mathematical and computational expertise — proves Mr. Smith’s discovery true. The researchers called their einstein “the hat,

“The most significant aspect for me is that the tiling does not clearly fall into any of the familiar classes of structures that we understand.”

black and white squares also can make weird nonperiodic patterns, in addition to the familiar, periodic checkerboard pattern. “It’s really pretty trivial to be able to make weird and interesting patterns,” he said. The magic of the two Penrose tiles is that they make only nonperiodic patterns — that’s all they can do.“But then the Holy Grail was, could you do with one — one tile?” Dr. Goodman-Strauss said.

Sir Roger found the proofs “very complicated.” Nonetheless, he was “extremely intrigued” by the einstein, he said: “It’s a really good shape, strikingly simple.”

The simplicity came honestly. Mr. Smith’s investigations were mostly by hand; one of his co-authors described him as an “imaginative tinkerer.”

When in November he found a tile that seemed to fill the plane without a repeating pattern, he emailed Craig Kaplan, a co-author and a computer scientist at the University of Waterloo.

“It was clear that something unusual was happening with this shape,” Dr. Kaplan said. Taking a computational approach that built on previous research, his algorithm generated larger and larger swaths of hat tiles. “There didn’t seem to be any limit to how large a blob of tiles the software could construct,”

The first step, Dr. Kaplan said, was to “define a set of four ‘metatiles,’ simple shapes that stand in for small groupings of one, two, or four hats.” The metatiles assemble into four larger shapes that behave similarly. This assembly, from metatiles to supertiles to supersupertiles, ad infinitum, covered “larger and larger mathematical ‘floors’ with copies of the hat,” Dr. Kaplan said. “We then show that this sort of hierarchical assembly is essentially the only way to tile the plane with hats, which turns out to be enough to show that it can never tile periodically.”

some might wonder whether this is a two-tile, not one-tile, set of aperiodic monotiles.

Dr. Goodman-Strauss had raised this subtlety on a tiling listserv: “Is there one hat or two?” The consensus was that a monotile counts as such even using its reflection. That leaves an open question, Dr. Berger said: Is there an einstein that will do the job without reflection?

“the hat” was not a new geometric invention. It is a polykite — it consists of eight kites. (Take a hexagon and draw three lines, connecting the center of each side to the center of its opposite side; the six shapes that result are kites.)

“It’s likely that others have contemplated this hat shape in the past, just not in a context where they proceeded to investigate its tiling properties,” Dr. Kaplan said. “I like to think that it was hiding in plain sight.”

Incredibly, Mr. Smith later found a second einstein. He called it “the turtle” — a polykite made of not eight kites but 10. It was “uncanny,” Dr. Kaplan said. He recalled feeling panicked; he was already “neck deep in the hat.”

Dr. Myers, who had done similar computations, promptly discovered a profound connection between the hat and the turtle. And he discerned that, in fact, there was an entire family of related einsteins — a continuous, uncountable infinity of shapes that morph one to the next.

this einstein family motivated the second proof, which offers a new tool for proving aperiodicity. The math seemed “too good to be true,” Dr. Myers said in an email. “I wasn’t expecting such a different approach to proving aperiodicity — but everything seemed to hold together as I wrote up the details.”

Mr. Smith was amazed to see the research paper come together. “I was no help, to be honest.” He appreciated the illustrations, he said: “I’m more of a pictures person.”

People who drank 45 grams of alcohol or more a day—about as much as in three glasses of wine—increased their risk of dying sooner by up to a third. Among women, anything more than 25 grams of alcohol increased their risk of dying sooner. 

The findings suggest that the average man can drink up to about three drinks a day and expect to live as long as nondrinkers. Women might want to stop at about two drinks, the research suggested.

Health officials in Canada this year recommended that people have two drinks or fewer a week to lower health risks. That replaced guidance that 10 drinks a week was a low health risk. 

Could the West have done more to avert the disaster of the last decade? Its financial leverage over Russia weakened in the early 2000s when rocketing gas and oil prices raised the Russian economy off its knees. Economic sanctions, at least those introduced before 2022, served mainly to foster Russia’s determination to become self-sufficient in every sector of production

Western political diplomatic levers were stronger, but the western powers missed many crucial chances. London should not have become the laundromat for Russian dirty money.

In his own way, president Joe Biden did just as badly in 2021 by encouraging Ukraine to seek membership of Nato without taking proper precautions – and helping Zelensky take them in time too – against the possible negative Russian reaction

The United States’ leadership has been just as woeful. President Donald Trump liked to schmooze with Putin as if on a boys’ night out rather than pinning him down on points of disagreement.

A coarsening of relations between the West and a resurgent Russia was always likely, but western politicians could have moderated the process

In all this, it is neither Trump nor Biden who have shown the least prudence but Putin.

Now, after years of vacillation, the West has something like a systematic policy towards Russia and is supplying Ukraine with some of the military defence equipment it sorely needs and deserves. Better late than never.

What happened in 2012, when the oldest Gen-Z babies were in their middle teens? That was the year Facebook acquired Instagram and young people flocked to the latter site. It was also “the beginning of the selfie era.”

Mr. Haidt’s research, confirmed by that of others, shows that depression rates started to rise “all of a sudden” around 2013, “especially for teen girls,” but “it’s only Gen Z, not the older generations.” If you’d stopped collecting data in 2011, he says, you’d see little change from previous years. “By 2015 it’s an epidemic.” (His data are available in an open-source document.)

Mr. Haidt imagines “literally launching our children into outer space” and letting their bodies grow there: “They would come out deformed and broken. Their limbs wouldn’t be right. You can’t physically grow up in outer space. Human bodies can’t do that.” Yet “we basically do that to them socially. We launched them into outer space around the year 2012,” he says, “and then we expect that they will grow up normally without having normal human experiences.”

Social media and selfies hit a generation that had led an overprotected childhood, in which the age at which children were allowed outside on their own by parents had risen from the norm of previous generations, 7 or 8, to between 10 and 12.

That meant the first social-media generation was one of “weakened kids” who “hadn’t practiced the skills of adulthood in a low-stakes environment” with other children. They were deprived of “the normal toughening, the normal strengthening, the normal anti-fragility.

Now, their childhood “is largely just through the phone. They no longer even hang out together.” Teenagers even drive less than earlier generations did.

Mr. Haidt especially worries about girls. By 2020 more than 25% of female teenagers had “a major depression.” The comparable number for boys was just under 9%.

The comparable numbers for millennials at the same age registered at half the Gen-Z rate: about 13% for girls and 5% for boys. “Kids are on their devices all the time,”

Most girls, by contrast, are drawn to “visual platforms,” Instagram and TikTok in particular. “Those are about display and performance. You post your perfect life, and then you flip through the photos of other girls who have a more perfect life, and you feel depressed.

He calls this phenomenon “compare and despair” and says: “It seems social because you’re communicating with people. But it’s performative. You don’t actually get social relationships. You get weak, fake social links.”

Mr. Haidt says he has no antipathy toward the young, and he calls millennials “amazing.”

To illustrate his point about Gen Z, Mr. Haidt challenges people to name young people today who are “really changing the world, who are doing big things that have an impact beyond their closed ecosystem.”

He can think of only two, neither of them American: Greta Thunberg, 19, the Swedish climate militant, and Malala Yousafzai, 25, the Pakistani advocate for female education

I’m predicting that they will be less effective, less impactful, than previous generations.” Why? “You should always keep your eye on whether people are in ‘discover mode’ or ‘defend mode.’ ” In the former mode, you seize opportunities to be creative. In the latter, “you’re not creative, you’re not future-thinking, you’re focused on threats in the present.”

University students who matriculated starting in 2014 or so have arrived on campus in defend mode: “Here they are in the safest, most welcoming, most inclusive, most antiracist places on the planet, but many of them were acting like they were entering some sort of dystopian, threatening, immoral world.”

56% of liberal women 18 to 29 responded affirmatively to the question: Has a doctor or other healthcare provider ever told you that you have a mental health condition? “Some of that,” Mr. Haidt says, “has to be just self-presentational,” meaning imagined.

This new ideology . . . valorizes victimhood. And if your sub-community motivates you to say you have an anxiety disorder, how is this going to affect you for the rest of your life?” He answers his own question: “You’re not going to take chances, you’re going to ask for accommodations, you’re going to play it safe, you’re not going to swing for the fences, you’re not going to start your own company.”

Whereas millennial women are doing well, “Gen-Z women, because they’re so anxious, are going to be less successful than Gen-Z men—and that’s saying a lot, because Gen-Z men are messed up, too.”

The problem, he says, is distinct to the U.S. and other English-speaking developed countries: “You don’t find it as much in Europe, and hardly at all in Asia.” Ideas that are “nurtured around American issues of race and gender spread instantly to the U.K. and Canada. But they don’t necessarily spread to France and Germany, China and Japan.”

something I hear from a lot of managers, that it’s very difficult to supervise their Gen-Z employees, that it’s very difficult to give them feedback.” That makes it hard for them to advance professionally by learning to do their jobs better.

“this could severely damage American capitalism.” When managers are “afraid to speak up honestly because they’ll be shamed on Twitter or Slack, then that organization becomes stupid.” Mr. Haidt says he’s “seen a lot of this, beginning in American universities in 2015. They all got stupid in the same way. They all implemented policies that backfire.”

Mr. Haidt, who describes himself as “a classical liberal like John Stuart Mill,” also laments the impact of social media on political discourse

“Social media is incompatible with liberal democracy because it has moved conversation, and interaction, into the center of the Colosseum. We’re not there to talk to each other. We’re there to perform” before spectators who “want blood.”

Is there a solution? “I’d raise the age of Internet adulthood to 16,” he says—“and enforce it.”

By contrast, “life went onto phone-based apps 10 years ago, and the protections we have for children are zero, absolutely zero.” The damage to Generation Z from social media “so vastly exceeds the damage from Covid that we’re going to have to act.”

Gen Z, he says, “is not in denial. They recognize that this app-based life is really bad for them.” He reports that they wish they had childhoods more like those of their parents, in which they could play outside and have adventur

Authoritarian governments have created seemingly realistic news broadcasters to advance their political goals

Getty’s lawsuit reflects concerns raised by many individual artists — that A.I. companies are becoming a competitive threat by copying content they do not have permission to use.

“The tools are going to get better, they’re going to get cheaper, and there will come a day when nothing you see on the internet can be believed,” said Wasim Khaled, chief executive of Blackbird.AI, a company that helps clients fight disinformation.

Artificial intelligence allows virtually anyone to create complex artworks, like those now on exhibit at the Gagosian art gallery in New York, or lifelike images that blur the line between what is real and what is fiction. Plug in a text description, and the technology can produce a related image — no special skills required.

Midjourney’s images, he said, were able to pass muster in facial-recognition programs that Bellingcat uses to verify identities, typically of Russians who have committed crimes or other abuses. It’s not hard to imagine governments or other nefarious actors manufacturing images to harass or discredit their enemies.

In February, Getty accused Stability AI of illegally copying more than 12 million Getty photos, along with captions and metadata, to train the software behind its Stable Diffusion tool. In its lawsuit, Getty argued that Stable Diffusion diluted the value of the Getty watermark by incorporating it into images that ranged “from the bizarre to the grotesque.”

Experts fear the technology could hasten an erosion of trust in media, in government and in society. If any image can be manufactured — and manipulated — how can we believe anything we see?

Trademark violations have also become a concern: Artificially generated images have replicated NBC’s peacock logo, though with unintelligible letters, and shown Coca-Cola’s familiar curvy logo with extra O’s looped into the name.

The threat to photographers is fast outpacing the development of legal protections, said Mickey H. Osterreicher, general counsel for the National Press Photographers Association

Newsrooms will increasingly struggle to authenticate conten

Social media users are ignoring labels that clearly identify images as artificially generated, choosing to believe they are real photographs, he said.

The video explained that the deepfake had been created, with Ms. Schick’s consent, by the Dutch company Revel.ai and Truepic, a California company that is exploring broader digital content verification

The companies described their video, which features a stamp identifying it as computer-generated, as the “first digitally transparent deepfake.” The data is cryptographically sealed into the file; tampering with the image breaks the digital signature and prevents the credentials from appearing when using trusted software.

The companies hope the badge, which will come with a fee for commercial clients, will be adopted by other content creators to help create a standard of trust involving A.I. images.

“The scale of this problem is going to accelerate so rapidly that it’s going to drive consumer education very quickly,” said Jeff McGregor, chief executive of Truepic

Adobe unveiled its own image-generating product, Firefly, which will be trained using only images that were licensed or from its own stock or no longer under copyright. Dana Rao, the company’s chief trust officer, said on its website that the tool would automatically add content credentials — “like a nutrition label for imaging” — that identified how an image had been made. Adobe said it also planned to compensate contributors.

it is easy to forget how much we have in common as people. I can’t think of any major nation after the United States with more of a Protestant work ethic and naturally capitalist population than China.

These days, it is extremely difficult for a visiting columnist to get anyone — a senior official or a Starbucks barista — to speak on the record. It was not that way a decade ago.

The Communist Party’s hold is also a product of all the hard work and savings of the Chinese people, which have enabled the party and the state to build world-class infrastructure and public goods that make life for China’s middle and lower classes steadily better.

Beijing and Shanghai, in particular, have become very livable cities, with the air pollution largely erased and lots of new, walkable green spaces.

some 900 cities and towns in China are now served by high-speed rail, which makes travel to even remote communities incredibly cheap, easy and comfortable

Just when trust has become more important than ever between the U.S. and China, it also has become scarcer than ever. Bad trend.

China’s stability is a product of both an increasingly pervasive police state and a government that has steadily raised standards of living. It’s a regime that takes both absolute control and relentless nation-building seriously.

For an American to fly from New York’s Kennedy Airport into Beijing Capital International Airport today is to fly from an overcrowded bus terminal to a Disney-like Tomorrowland.

China got an early jump on A.I. in two realms — facial recognition technology and health records — because there are virtually no privacy restrictions on the government’s ability to build huge data sets for machine learning algorithms to find patterns.

“ChatGPT is prompting some people to ask if the U.S. is rising again, like in the 1990s,”

“I understand your feeling: You have been in the first place for a century, and now China is rising, and we have the potential to become the first — and that is not easy for you,” Hu said to me. But “you should not try to stop China’s development. You can’t contain China in the end. We are quite smart. And very diligent. We work very hard. And we have 1.4 billion people.”

Before the Trump presidency, he added: “We never thought China-U.S. relations would ever become so bad. Now we gradually accept the situation, and most Chinese people think there is no hope for better relations. We think the relationship will be worse and worse and hope that war will not break out between our two countries.”

A lot of people hesitated when I asked. Indeed, many would answer with some version of “I’m not sure, I just know that it’s THEIR fault.”

t was repeated conversations like these that got me started asking American, Chinese and Taiwanese investors, analysts and officials a question that has been nagging at me for a while: What exactly are America and China fighting about?

the real answer is so much deeper and more complex than just the usual one-word response — “Taiwan” — or the usual three-word response — “autocracy versus democracy.”

Let me try to peel back the layers. The erosion in U.S.-China relations is a result of something old and obvious — a traditional great-power rivalry between an incumbent power (us) and a rising power (China) — but with lots of new twists

One of the twists, though, is that this standard-issue great-power rivalry is occurring between nations that have become as economically intertwined as the strands of a DNA molecule. As a result, neither China nor America has ever had a rival quite like the other.

in modern times, China, like America, has never had to deal with a true economic and military peer with which it was also totally intertwined through trade and investment.

Another new twist, and a reason it’s hard to define exactly what we’re fighting about, has a lot to do with how this elusive issue of trust and the absence of it have suddenly assumed much greater importance in international affairs.

This is a byproduct of our new technological ecosystem in which more and more devices and services that we both use and trade are driven by microchips and software, and connected through data centers in the cloud and high-speed internet

so many more things became “dual use.” That is, technologies that can easily be converted from civilian tools to military weapons, or vice versa.

no one country or company can own the whole supply chain. You need the best from everywhere, and that supply chain is so tightly intertwined that each company has to trust the others intimately.

when we install the ability to sense, digitize, connect, process, learn, share and act into more and more things — from your GPS-enabled phone to your car to your toaster to your favorite app — they all become dual use, either weapons or tools depending on who controls the software running them and who owns the data that they spin off.

As long as most of what China sold us was shallow goods, we did not care as much about its political system — doubly so because it seemed for a while as if China was slowly but steadily becoming more and more integrated with the world and slightly more open and transparent every year. So, it was both easy and convenient to set aside some of our worries about the dark sides of its political system.

when you want to sell us ‘deep goods’ — goods that are dual use and will go deep into our homes, bedrooms, industries, chatbots and urban infrastructure — we don’t have enough trust to buy them. So, we are going to ban Huawei and instead pay more to buy our 5G telecom systems from Scandinavian companies we do trust: Ericsson and Nokia.”

as we’ve seen in Ukraine, a smartphone can be used by Grandma to call the grandkids or to call a Ukrainian rocket-launching unit and give it the GPS coordinates of a Russian tank in her backyard.

So today, the country or countries that can make the fastest, most powerful and most energy efficient microchips can make the biggest A.I. computers and dominate in economics and military affairs.

As more and more products and services became digitized and electrified, the microchips that powered everything became the new oil. What crude oil was to powering 19th- and 20th-century economies, microchips are for powering 21st-century economies.

When you ask them what is the secret that enables TSMC to make 90 percent of the world’s most advanced logic chips — while China, which speaks the same language and shares the same recent cultural history, makes zero — their answer is simple: “trust.”

TSMC is a semiconductor foundry, meaning it takes the designs of the most advanced computer companies in the world — Apple, Qualcomm, Nvidia, AMD and others — and turns the designs into chips that perform different processing functions

TSMC makes two solemn oaths to its customers: TSMC will never compete against them by designing its own chips and it will never share the designs of one of its customers with another.

“Our business is to serve multiple competitive clients,” Kevin Zhang, senior vice president for business development at TSMC, explained to me. “We are committed not to compete with any of them, and internally our people who serve customer A will never leak their information to customer C.”

But by working with so many trusted partners, TSMC leverages the partners’ steadily more complex designs to make itself better — and the better it gets, the more advanced designs it can master for its customers. This not only requires incredibly tight collaboration between TSMC and its customers, but also between TSMC and its roughly 1,000 critical local and global suppliers.

As the physics of chip making gets more and more extreme, “the investment from customers is getting bigger and bigger, so they have to work with us more closely to make sure they harvest as much [computing power] as they can. They have to trust you.”

China also has a foundry, Semiconductor Manufacturing International Corporation, which is partly state-owned. But guess what? Because no global chip designers trust SMIC with their most advanced designs, it is at least a decade behind TSMC.

It’s for these reasons that the erosion in U.S.-China relations goes beyond our increasingly sharp disagreements over Taiwan. It is rooted in the fact that just when trust, and its absence, became much bigger factors in international affairs and commerce, China changed its trajectory. It made itself a less trusted partner right when the most important technology for the 21st century — semiconductors — required unprecedented degrees of trust to manufacture and more and more devices and services became deep and dual use.

when American trade officials said: “Hey, you need to live up to your W.T.O. commitments to restrict state-funding of industries,” China basically said: “Why should we live by your interpretation of the rules? We are now big enough to make our own interpretations. We’re too big; you’re too late.”

Combined with China’s failure to come clean on what it knew about the origins of Covid-19, its crackdown on democratic freedoms in Hong Kong and on the Uyghur Muslim minority in Xinjiang, its aggressive moves to lay claim to the South China Sea, its increasing saber rattling toward Taiwan, its cozying up to Vladimir Putin (despite his savaging of Ukraine), Xi’s moves toward making himself president for life, his kneecapping of China’s own tech entrepreneurs, his tighter restrictions on speech and the occasional abduction of a leading Chinese businessman — all of these added up to one very big thing: Whatever trust that China had built up with the West since the late 1970s evaporated at the exact moment in history when trust, and shared values, became more important than ever in a world of deep, dual-use products driven by software, connectivity and microchips.

it started to matter a lot more to Western nations generally and the United States in particular that this rising power — which we were now selling to or buying from all sorts of dual-use digital devices or apps — was authoritarian.

eijing, for its part, argues that as China became a stronger global competitor to America — in deep goods like Huawei 5G — the United States simply could not handle it and decided to use its control over advanced semiconductor manufacturing and other high-tech exports from America, as well as from our allies, to ensure China always remained in our rearview mirror

Beijing came up with a new strategy, called “dual circulation.” It said: We will use state-led investments to make everything we possibly can at home, to become independent of the world. And we will use our manufacturing prowess to make the world dependent on our exports.

Chinese officials also argue that a lot of American politicians — led by Trump but echoed by many in Congress — suddenly seemed to find it very convenient to put the blame for economic troubles in the U.S.’s middle class not on any educational deficiencies, or a poor work ethic, or automation or the 2008 looting by financial elites, and the crisis that followed, but on China’s exports to the United States.

As Beijing sees it, China not only became America’s go-to boogeyman, but in their frenzy to blame Beijing for everything, members of Congress started to more recklessly promote Taiwan’s independence.

Xi told President Biden at their summit in Bali in November, in essence: I will not be the president of China who loses Taiwan. If you force my hand, there will be war. You don’t understand how important this is to the Chinese people. You’re playing with fire.

at some level Chinese officials now understand that, as a result of their own aggressive actions in recent years on all the fronts I’ve listed, they have frightened both the world and their own innovators at precisely the wrong time.

I don’t buy the argument that we are destined for war. I believe that we are doomed to compete with each other, doomed to cooperate with each other and doomed to find some way to balance the two. Otherwise we are both going to have a very bad 21st century.

I have to say, though, Americans and Chinese remind me of Israelis and Palestinians in one respect: They are both expert at aggravating the other’s deepest insecurities.

China’s Communist Party is now convinced that America wants to bring it down, which some U.S. politicians are actually no longer shy about suggesting. So, Beijing is ready to crawl into bed with Putin, a war criminal, if that is what it takes to keep the Americans at bay.

Americans are now worried that Communist China, which got rich by taking advantage of a global market shaped by American rules, will use its newfound market power to unilaterally change those rules entirely to its advantage. So we’ve decided to focus our waning strength vis-à-vis Beijing on ensuring the Chinese will always be a decade behind us on microchips.

I don’t know what is sufficient to reverse these trends, but I think I know what is necessary.

If it is not the goal of U.S. foreign policy to topple the Communist regime in China, the United States needs to make that crystal clear, because I found a lot more people than ever before in Beijing think otherwise.

As for China, it can tell itself all it wants that it has not taken a U-turn in recent years. But no one is buying it. China will never realize its full potential — in a hyper-connected, digitized, deep, dual-use, semiconductor-powered world — unless it understands that establishing and maintaining trust is now the single most important competitive advantage any country or company can have. And Beijing is failing in that endeavor.

In his splendid biography of the great American statesman George Shultz, Philip Taubman quotes one of Shultz’s cardinal rules of diplomacy and life: “Trust is the coin of the realm.”

For instance, when a Harvard scholar such as Steven Pinker speaks of “disempowering D.E.I.” as a necessary reform in American higher education, he’s not opposing diversity itself. Pinker is liberal, donates substantially to the Democratic Party and “loathes” Donald Trump. The objections he raises are shared by a substantial number of Americans across the political spectrum.

, the problem with D.E.I. isn’t with diversity, equity, or inclusion — all vital values.

First, it is a moral necessity for colleges to be concerned about hateful discourse, including hateful language directed at members of historically marginalized groups. Moreover, colleges that receive federal funds have a legal obligation

I’ll share with you three pervasive examples

In the name of D.E.I., all too many institutions have violated their constitutional commitments to free speech, due process and equal protection of the law.

Yet that is no justification for hundreds of universities to pass and maintain draconian speech codes on campus, creating a system of unconstitutional censorship that has been struck down again and again and again in federal court. Nor is it a justification for discriminating against faculty members for their political views or for compelling them to speak in support of D.E.I.

There is a better way to achieve greater diversity, equity, inclusion and related goals. Universities can welcome students from all walks of life without unlawfully censoring speech. They can respond to campus sexual violence without violating students’ rights to due process. They can diversify the student body without discriminating on the basis of race

Second, there is a moral imperative to respond to sexual misconduct on campus.

that is no justification for replacing one tilted playing field with another. Compelled in part by constitutionally problematic guidance from the Obama administration, hundreds of universities adopted sexual misconduct policies that strip the most basic due process protections from accused students. The result has been systematic injustice

The due process problem was so profound that in 2019 a state appellate court in California — hardly a bastion of right-wing jurisprudence — ruled that “fundamental fairness” entitles an accused student to cross-examine witnesses in front of a neutral adjudicator.

Third, it is urgently necessary to address racial disparities in campus admissions and faculty hiring — but, again, not at the expense of the Constitution.

it is difficult to ignore the overwhelming evidence that Harvard attempted to achieve greater diversity in part by systematically downranking Asian applicants on subjective grounds, judging them deficient in traits such as “positive personality,” likability, courage, kindness and being “widely respected.” That’s not inclusion; it’s discrimination.

Our nation has inflicted horrific injustices on vulnerable communities. And while the precise nature of the injustice has varied — whether it was slavery, Jim Crow, internment or the brutal conquest of Native American lands — there was always a consistent theme: the comprehensive denial of constitutional rights.

But one does not correct the consequences of those terrible constitutional violations by inflicting a new set of violations on different American communities in a different American era. A consistent defense of the Constitution is good for us all,

The danger posed by D.E.I. resides primarily not in these virtuous ends, but in the unconstitutional means chosen to advance them.

Virtuous goals should not be accomplished by illiberal means.

Parents need to know that when children go online, they are entering a world of influencers, many of whom are hoping to make money by pushing dangerous products. It’s a world that’s invisible to us

when we log on to our social media, we don’t see what they see. Thanks to algorithms and ad targeting, I see videos about the best lawn fertilizer and wrinkle laser masks, while Ian is being fed reviews of flavored vape pens and beautiful women livestreaming themselves gambling crypto and urging him to gamble, too.

Smartphones are taking our kids to a different world

Greyson Imm, an 18-year-old high school student in Prairie Village, Kan., said he was 17 when Zyn videos started appearing on his TikTok feed. The videos multiplied through the spring, when they were appearing almost daily. “Nobody had heard about Zyn until very early 2023,” he said. Now, a “lot of high schoolers have been using Zyn. It’s really taken off, at least in our community.”

all of this is, unfortunately, only part of what makes social media dangerous.

The tobacco conglomerate Philip Morris International acquired the Zyn maker Swedish Match in 2022 as part of a strategic push into smokeless products, a category it projects could help drive an expected $2 billion in U.S. revenue in 2024.

P.M.I. is also a company that has long denied it markets tobacco products to minors despite decades of research accusing it of just that. One 2022 study alone found its brands advertising near schools and playgrounds around the globe.

the ’90s, when magazines ran full-page Absolut Vodka ads in different colors, which my friends and I collected and taped up on our walls next to pictures of a young Leonardo DiCaprio — until our parents tore them down. This was advertising that appealed to me as a teenager but was also visible to my parents, and — crucially — to regulators, who could point to billboards near schools or flavored vodka ads in fashion magazines and say, this is wrong.

Even the most committed parent today doesn’t have the same visibility into what her children are seeing online, so it is worth explaining how products like Zyn end up in social feeds

influencers. They aren’t traditional pitch people. Think of them more like the coolest kids on the block. They establish a following thanks to their personality, experience or expertise. They share how they’re feeling, they share what they’re thinking about, they share stuff they l

With ruthless efficiency, social media can deliver unlimited amounts of the content that influencers create or inspire. That makes the combination of influencers and social-media algorithms perhaps the most powerful form of advertising ever invented.

Videos like his operate like a meme: It’s unintelligible to the uninitiated, it’s a hilarious inside joke to those who know, and it encourages the audience to spread the message

Enter Tucker Carlson. Mr. Carlson, the former Fox News megastar who recently started his own subscription streaming service, has become a big Zyn influencer. He’s mentioned his love of Zyn in enough podcasts and interviews to earn the nickname Tucker CarlZyn.

was Max VanderAarde. You can glimpse him in a video from the event wearing a Santa hat and toasting Mr. Carlson as they each pop Zyns in their mouths. “You can call me king of Zynbabwe, or Tucker CarlZyn’s cousin,” he says in a recent TikTok. “Probably, what, moved 30 mil cans last year?”

Freezer Tarps, Mr. VanderAarde’s TikTok account, appears to have been removed after I asked the company about it. Left up are the large number of TikToks by the likes of @lifeofaZyn, @Zynfluencer1 and @Zyntakeover; those hashtagged to #Zynbabwe, one of Freezer Tarps’s favorite terms, have amassed more than 67 million views. So it’s worth breaking down Mr. VanderAarde’s videos.

All of these videos would just be jokes (in poor taste) if they were seen by adults only. They aren’t. But we can’t know for sure how many children follow the Nelk Boys or Freezer Tarps — social-media companies generally don’t release granular age-related data to the public. Mr. VanderAarde, who responded to a few of my questions via LinkedIn, said that nearly 95 percent of his followers are over the age of 18.

They’re incentivized to increase their following and, in turn, often their bank accounts. Young people are particularly susceptible to this kind of promotion because their relationship with influencers is akin to the intimacy of a close friend.

The helicopter video has already been viewed more than one million times on YouTube, and iterations of it have circulated widely on TikTok.

YouTube said it eventually determined that four versions of the Carlson Zyn videos were not appropriate for viewers under age 18 under its community guidelines and restricted access to them by age

Mr. Carlson declined to comment on the record beyond his two-word statement. The Nelk Boys didn’t respond to requests for comment. Meta declined to comment on the record. TikTok said it does not allow content that promotes tobacco or its alternatives. The company said that it has over 40,000 trust and safety experts who work to keep the platform safe and that it prevented teenagers’ accounts from viewing over two million videos globally that show the consumption of tobacco products by adults. TikTok added that in the third quarter of 2023 it proactively removed 97 percent of videos that violated its alcohol, tobacco and drugs policy.

Greyson Imm, the high school student in Prairie Village, Kan., points to Mr. VanderAarde as having brought Zyn “more into the mainstream.” Mr. Imm believes his interest in independent comedy on TikTok perhaps made him a target for Mr. VanderAarde’s videos. “He would create all these funny phrases or things that would make it funny and joke about it and make it relevant to us.”

It wasn’t long before Mr. Imm noticed Zyn blowing up among his classmates — so much so that the student, now a senior at Shawnee Mission East High School, decided to write a piece in his school newspaper about it. He conducted an Instagram poll from the newspaper’s account and found that 23 percent of the students who responded used oral nicotine pouches during school.

“Upper-decky lip cushions, ferda!” Mr. VanderAarde coos in what was one of his popular TikTok videos, which had been liked more than 40,000 times. The singsong audio sounds like gibberish to most people, but it’s actually a call to action. “Lip cushion” is a nickname for a nicotine pouch, and “ferda” is slang for “the guys.”

“I have fun posting silly content that makes fun of pop culture,” Mr. VanderAarde said to me in our LinkedIn exchange.

I turned to Influencity, a software program that estimates the ages of social media users by analyzing profile photos and selfies in recent posts. Influencity estimated that roughly 10 percent of the Nelk Boys’ followers on YouTube are ages 13 to 17. That’s more than 800,000 children.

I’ve spent the past three years studying media manipulation and memes, and what I see in Freezer Tarps’s silly content is strategy. The use of Zyn slang seems like a way to turn interest in Zyn into a meme that can be monetized through merchandise and other business opportunities.

Such as? Freezer Tarps sells his own pouch product, Upperdeckys, which delivers caffeine instead of nicotine and is available in flavors including cotton candy and orange creamsicle. In addition to jockeying for sponsorship, Mr. Carlson may also be trying to establish himself with a younger, more male, more online audience as his new media company begins building its subscriber base

This is the kind of viral word-of-mouth marketing that looks like entertainment, functions like culture and can increase sales

What’s particularly galling about all of this is that we as a society already agreed that peddling nicotine to kids is not OK. It is illegal to sell nicotine products to anyone under the age of 21 in all 50 states

numerous studies have shown that the younger people are when they try nicotine for the first time, the more likely they will become addicted to it. Nearly 90 percent of adults who smoke daily started smoking before they turned 18.

Decades later — even after Juul showed the power of influencers to help addict yet another generation of children — the courts, tech companies and regulators still haven’t adequately grappled with the complexities of the influencer economy.

Facebook, Instagram and TikTok all have guidelines that prohibit tobacco ads and sponsored, endorsed or partnership-based content that promotes tobacco products. Holding them accountable for maintaining those standards is a bigger question.

We need a new definition of advertising that takes into account how the internet actually works. I’d go so far as to propose that the courts broaden the definition of advertising to include all influencer promotion. For a product as dangerous as nicotine, I’d put the bar to be considered an influencer as low as 1,000 followers on a social-media account, and maybe if a video from someone with less of a following goes viral under certain legal definitions, it would become influencer promotion.

Laws should require tech companies to share data on what young people are seeing on social media and to prevent any content promoting age-gated products from reaching children’s feeds

hose efforts must go hand in hand with social media companies putting real teeth behind their efforts to verify the ages of their users. Government agencies should enforce the rules already on the books to protect children from exposure to addictive products,

I refuse to believe there aren’t ways to write laws and regulations that can address these difficult questions over tech company liability and free speech, that there aren’t ways to hold platforms more accountable for advertising that might endanger kids. Let’s stop treating the internet like a monster we can’t control. We built it. We foisted it upon our children. We had better try to protect them from its potential harms as best we can.

The answer to both lies in one word: satiety. It’s a concept that we don’t use much in everyday life but that we’ve all experienced at some point. It describes the sensation of having had enough and not wanting any more.

The primary reason we have gained weight at a pace unprecedented in human history is that our diets have radically changed in ways that have deeply undermined our ability to feel sated

The evidence is clear that the kind of food my father grew up eating quickly makes you feel full. But the kind of food I grew up eating, much of which is made in factories, often with artificial chemicals, left me feeling empty and as if I had a hole in my stomach

In a recent study of what American children eat, ultraprocessed food was found to make up 67 percent of their daily diet. This kind of food makes you want to eat more and more. Satiety comes late, if at all.

After he moved in 2000 to the United States in his 20s, he gained 30 pounds in two years. He began to wonder if the American diet has some kind of strange effect on our brains and our cravings, so he designed an experiment to test it.

He and his colleague Paul Johnson raised a group of rats in a cage and gave them an abundant supply of healthy, balanced rat chow made out of the kind of food rats had been eating for a very long time. The rats would eat it when they were hungry, and then they seemed to feel sated and stopped. They did not become fat.

then Dr. Kenny and his colleague exposed the rats to an American diet: fried bacon, Snickers bars, cheesecake and other treats. They went crazy for it. The rats would hurl themselves into the cheesecake, gorge themselves and emerge with their faces and whiskers totally slicked with it. They quickly lost almost all interest in the healthy food, and the restraint they used to show around healthy food disappeared. Within six weeks, their obesity rates soared.

They took all the processed food away and gave the rats their old healthy diet. Dr. Kenny was confident that they would eat more of it, proving that processed food had expanded their appetites. But something stranger happened. It was as though the rats no longer recognized healthy food as food at all, and they barely ate it. Only when they were starving did they reluctantly start to consume it again.

Drugs like Ozempic work precisely by making us feel full.

processed and ultraprocessed food create a raging hole of hunger, and these treatments can repair that hole

the drugs are “an artificial solution to an artificial problem.”

Yet we have reacted to this crisis largely caused by the food industry as if it were caused only by individual moral dereliction

Why do we turn our anger inward and not outward at the main cause of the crisis? And by extension, why do we seek to shame people taking Ozempic but not those who, say, take drugs to lower their blood pressure?

The first is the belief that obesity is a sin.

The second idea is that we are all in a competition when it comes to weight. Ours is a society full of people fighting against the forces in our food that are making us fatter.

Looked at in this way, people on Ozempic can resemble cyclists like Lance Armstrong who used performance-enhancing drugs.

We can’t find our way to a sane, nontoxic conversation about obesity or Ozempic until we bring these rarely spoken thoughts into the open and reckon with them

remember the competition isn’t between you and your neighbor who’s on weight-loss drugs. It’s between you and a food industry constantly designing new ways to undermine your satiety.

Reducing or reversing obesity hugely boosts health, on average: We know from years of studying bariatric surgery that it slashes the risks of cancer, heart disease and diabetes-related death. Early indications are that the new anti-obesity drugs are moving people in a similar radically healthier direction,

But these drugs may increase the risk for thyroid cancer.

Do we want these weight loss drugs to be another opportunity to tear one another down? Or do we want to realize that the food industry has profoundly altered the appetites of us all — leaving us trapped in the same cage, scrambling to find a way out?