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That shame mangrove has been completely uprooted by Trump.

The reason people felt ashamed is that they felt fidelity to certain norms — so their cheeks would turn red when they knew they had fallen short

in the kind of normless world we have entered where societal, institutional and leadership norms are being eroded,” Seidman said to me, “no one has to feel shame anymore because no norm has been violated.”

People in high places doing shameful things is hardly new in American politics and business. What is new, Seidman argued, “is so many people doing it so conspicuously and with such impunity: ‘My words were perfect,’ ‘I’d do it again.’ That is what erodes norms — that and making everyone else feel like suckers for following them.”

Nothing is more corrosive to a vibrant democracy and healthy communities, added Seidman, than “when leaders with formal authority behave without moral authority.

Without leaders who, through their example and decisions, safeguard our norms and celebrate them and affirm them and reinforce them, the words on paper — the Bill of Rights, the Constitution or the Declaration of Independence — will never unite us.”

. Trump wants to destroy our social and legal mangroves and leave us in a broken ethical ecosystem, because he and people like him best thrive in a broken system.

He keeps pushing our system to its breaking point, flooding the zone with lies so that the people trust only him and the truth is only what he says it is. In nature, as in society, when you lose your mangroves, you get flooding with lots of mud.

Responsibility, especially among those who have taken oaths of office — another vital mangrove — has also experienced serious destruction.

It used to be that if you had the incredible privilege of serving as U.S. Supreme Court justice, in your wildest dreams you would never have an American flag hanging upside down

Your sense of responsibility to appear above partisan politics to uphold the integrity of the court’s rulings would not allow it.

Civil discourse and engaging with those with whom you disagree — instead of immediately calling for them to be fired — also used to be a mangrove.

when moral arousal manifests as moral outrage — and immediate demands for firings — “it can result in a vicious cycle of moral outrage being met with equal outrage, as opposed to a virtuous cycle of dialogue and the hard work of forging real understanding.”

In November 2022, the Heterodox Academy, a nonprofit advocacy group, surveyed 1,564 full-time college students ages 18 to 24. The group found that nearly three in five students (59 percent) hesitate to speak about controversial topics like religion, politics, race, sexual orientation and gender for fear of negative backlashes by classmates.

Locally owned small-town newspapers used to be a mangrove buffering the worst of our national politics. A healthy local newspaper is less likely to go too far to one extreme or another, because its owners and editors live in the community and they know that for their local ecosystem to thrive, they need to preserve and nurture healthy interdependencies

in 2023, the loss of local newspapers accelerated to an average of 2.5 per week, “leaving more than 200 counties as ‘news deserts’ and meaning that more than half of all U.S. counties now have limited access to reliable local news and information.”

As in nature, it leaves the local ecosystem with fewer healthy interdependencies, making it more vulnerable to invasive species and disease — or, in society, diseased ideas.

It’s not that the people in these communities have changed. It’s that if that’s what you are being fed, day in and day out, then you’re going to come to every conversation with a certain set of predispositions that are really hard to break through.”

we have gone from you’re not supposed to say “hell” on the radio to a nation that is now being permanently exposed to for-profit systems of political and psychological manipulation (and throw in Russia and China stoking the fires today as well), so people are not just divided, but being divided. Yes, keeping Americans morally outraged is big business at home now and war by other means by our geopolitical rivals.

More than ever, we are living in the “never-ending storm” that Seidman described to me back in 2016, in which moral distinctions, context and perspective — all the things that enable people and politicians to make good judgments — get blown away.

Blown away — that is exactly what happens to the plants, animals and people in an ecosystem that loses its mangroves.

a trend ailing America today: how much we’ve lost our moorings as a society.

Civil discourse and engaging with those with whom you disagree — instead of immediately calling for them to be fired — also used to be mangroves.

civility itself also used to be a mangrove.

“Why the hell not?” Drummond asks.“You’re not supposed to say ‘hell,’ either,” the announcer says.You are not supposed to say “hell,” either. What a quaint thought. That is a polite exclamation point in today’s social media.

Another vital mangrove is religious observance. It has been declining for decades:

So now the most partisan national voices on Fox News, or MSNBC — or any number of polarizing influencers like Tucker Carlson — go straight from their national studios direct to small-town America, unbuffered by a local paper’s or radio station’s impulse to maintain a community where people feel some degree of connection and mutual respect

In a 2021 interview with my colleague Ezra Klein, Barack Obama observed that when he started running for the presidency in 2007, “it was still possible for me to go into a small town, in a disproportionately white conservative town in rural America, and get a fair hearing because people just hadn’t heard of me. … They didn’t have any preconceptions about what I believed. They could just take me at face value.”

AlphaGo’s victory demonstrated the unbridled potential of A.I. to achieve superhuman mastery of skills once considered too complicated for machines.

Mr. Lee, now 41, retired three years later, convinced that humans could no longer compete with computers at Go. Artificial intelligence, he said, had changed the very nature of a game that originated in China more than 2,500 years ago.

As society wrestles with what A.I. holds for humanity’s future, Mr. Lee is now urging others to avoid being caught unprepared, as he was, and to become familiar with the technology now. He delivers lectures about A.I., trying to give others the advance notice he wishes he had received before his match.

“I faced the issues of A.I. early, but it will happen for others,” Mr. Lee said recently at a community education fair in Seoul to a crowd of students and parents. “It may not be a happy ending.”

Mr. Lee is not a doomsayer. In his view, A.I. may replace some jobs, but it may create some, too. When considering A.I.’s grasp of Go, he said it was important to remember that humans both created the game and designed the A.I. system that mastered it.

What he worries about is that A.I. may change what humans value.

His immense talent was apparent from the start. He quickly became the best player of his age not only locally but across all of South Korea, Japan and China. He turned pro at 12.

“People used to be in awe of creativity, originality and innovation,” he said. “But since A.I. came, a lot of that has disappeared.”

By the time he was 20, Mr. Lee had reached 9-dan, the highest level of mastery in Go. Soon, he was among the best players in the world, described by some as the Roger Federer of the game.

Go posed a tantalizing challenge for A.I. researchers. The game is exponentially more complicated than chess, with it often being said that there are more possible positions on a Go board (10 with more than 100 zeros after it, by many mathematical estimates) than there are atoms in the universe.

The breakthrough came from DeepMind, which built AlphaGo using so-called neural networks: mathematical systems that can learn skills by analyzing enormous amounts of data. It started by feeding the network 30 million moves from high-level players. Then the program played game after game against itself until it learned which moves were successful and developed new strategies.

Mr. Lee said not having a true human opponent was disconcerting. AlphaGo played a style he had never seen, and it felt odd to not try to decipher what his opponent was thinking and feeling. The world watched in awe as AlphaGo pushed Mr. Lee into corners and made moves unthinkable to a human player.“I couldn’t get used to it,” he said. “I thought that A.I. would beat humans someday. I just didn’t think it was here yet.”

AlphaGo’s victory “was a watershed moment in the history of A.I.” said Demis Hassabis, DeepMind’s chief executive, in a written statement. It showed what computers that learn on their own from data “were really capable of,” he said.

Mr. Lee had a hard time accepting the defeat. What he regarded as an art form, an extension of a player’s own personality and style, was now cast aside for an algorithm’s ruthless efficiency.

His 17-year-old daughter is in her final year of high school. When they discuss what she should study at university, they often consider a future shaped by A.I.“We often talk about choosing a job that won’t be easily replaceable by A.I. or less impacted by A.I.,” he said. “It’s only a matter of time before A.I. is present everywhere.”

What is A.I. even for?

“A.I. slop”: often uncanny, frequently misleading material, now flooding web browsers and social-media platforms like spam in old inboxes. Years deep into national hysteria over the threat of internet misinformation pushed on us by bad actors, we’ve sleepwalked into a new internet in which meaningless, nonfactual slop is casually mass-produced and force-fed to us by A.I.

It has already helped drive down the cost and drive up the performance of next-gen batteries and solar photovoltaic cells, whose performance can also be improved, even after the panels have been manufactured and installed on your roof, by as much as 25 percent

while the internet was never perfectly trustworthy, one epoch-defining breakthrough of Google was that it got us pretty close. Now the company’s chief executive acknowledges that hallucinations are “inherent” to the technology it has celebrated as a kind of successor for ranked-order search results, which are now often found far below not just the A.I. summary but a whole stack of “sponsored” results as well.

Where not long ago we used to find the very best results for Google searches, we can now find instead potentially plagiarized and often inaccurate paragraph summaries of answers to our queries

Machine learning may help make our electricity grid as much as 40 percent more efficient at delivering power as it is today, when many of its routing decisions are made by individual humans on the basis of experience and intuition

This month, KoBold Metals announced the largest discovery of new copper deposits in a decade — a green-energy gold mine, so to speak, delivered with the help of its own proprietary A.I., which integrated information about subatomic particles detected underground with century-old mining reports and radar imagery to make predictions about where minerals critical for the green transition might be found.

.I. is designing new proteins, rapidly accelerating drug discovery and speeding up clinical trials testing new medicines and therapies.

perhaps that a more optimistic perspective can be drawn by analogy to what economists call the “environmental Kuznets curve,” which suggests that, as nations develop, they tend to first pollute a lot more and then, over time, as they grow richer, they ultimately pollute less.

Even in describing regular old pollution, this framework has its shortcomings, especially because it treats as automatic eventual progress that has always required tooth-and-nail fights against some very stubborn bad actors

A.I. is generating an awful lot of genuine pollution, too — both Google and Microsoft, which each pledged in 2019 to reach zero emissions by 2030, have instead expanded their carbon footprints by nearly 50 percent in the interim.