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Two sources said that during the early weeks of the war they were permitted to kill 15 or 20 civilians during airstrikes on low-ranking militants. Attacks on such targets were typically carried out using unguided munitions known as “dumb bombs”, the sources said, destroying entire homes and killing all their occupants.

“You don’t want to waste expensive bombs on unimportant people – it’s very expensive for the country and there’s a shortage [of those bombs],” one intelligence officer said. Another said the principal question they were faced with was whether the “collateral damage” to civilians allowed for an attack.

“Because we usually carried out the attacks with dumb bombs, and that meant literally dropping the whole house on its occupants. But even if an attack is averted, you don’t care – you immediately move on to the next target. Because of the system, the targets never end. You have another 36,000 waiting.”

ccording to conflict experts, if Israel has been using dumb bombs to flatten the homes of thousands of Palestinians who were linked, with the assistance of AI, to militant groups in Gaza, that could help explain the shockingly high death toll in the war.

Details about the specific kinds of data used to train Lavender’s algorithm, or how the programme reached its conclusions, are not included in the accounts published by +972 or Local Call. However, the sources said that during the first few weeks of the war, Unit 8200 refined Lavender’s algorithm and tweaked its search parameters.

Responding to the publication of the testimonies in +972 and Local Call, the IDF said in a statement that its operations were carried out in accordance with the rules of proportionality under international law. It said dumb bombs are “standard weaponry” that are used by IDF pilots in a manner that ensures “a high level of precision”.

“The IDF does not use an artificial intelligence system that identifies terrorist operatives or tries to predict whether a person is a terrorist,” it added. “Information systems are merely tools for analysts in the target identification process.”

In earlier military operations conducted by the IDF, producing human targets was often a more labour-intensive process. Multiple sources who described target development in previous wars to the Guardian, said the decision to “incriminate” an individual, or identify them as a legitimate target, would be discussed and then signed off by a legal adviser.

n the weeks and months after 7 October, this model for approving strikes on human targets was dramatically accelerated, according to the sources. As the IDF’s bombardment of Gaza intensified, they said, commanders demanded a continuous pipeline of targets.

“We were constantly being pressured: ‘Bring us more targets.’ They really shouted at us,” said one intelligence officer. “We were told: now we have to fuck up Hamas, no matter what the cost. Whatever you can, you bomb.”

Lavender was developed by the Israel Defense Forces’ elite intelligence division, Unit 8200, which is comparable to the US’s National Security Agency or GCHQ in the UK.

After randomly sampling and cross-checking its predictions, the unit concluded Lavender had achieved a 90% accuracy rate, the sources said, leading the IDF to approve its sweeping use as a target recommendation tool.

Lavender created a database of tens of thousands of individuals who were marked as predominantly low-ranking members of Hamas’s military wing, they added. This was used alongside another AI-based decision support system, called the Gospel, which recommended buildings and structures as targets rather than individuals.

The accounts include first-hand testimony of how intelligence officers worked with Lavender and how the reach of its dragnet could be adjusted. “At its peak, the system managed to generate 37,000 people as potential human targets,” one of the sources said. “But the numbers changed all the time, because it depends on where you set the bar of what a Hamas operative is.”

broadly, and then the machine started bringing us all kinds of civil defence personnel, police officers, on whom it would be a shame to waste bombs. They help the Hamas government, but they don’t really endanger soldiers.”

Before the war, US and Israeli estimated membership of Hamas’s military wing at approximately 25-30,000 people.

there was a decision to treat Palestinian men linked to Hamas’s military wing as potential targets, regardless of their rank or importance.

According to +972 and Local Call, the IDF judged it permissible to kill more than 100 civilians in attacks on a top-ranking Hamas officials. “We had a calculation for how many [civilians could be killed] for the brigade commander, how many [civilians] for a battalion commander, and so on,” one source said.

Another source, who justified the use of Lavender to help identify low-ranking targets, said that “when it comes to a junior militant, you don’t want to invest manpower and time in it”. They said that in wartime there was insufficient time to carefully “incriminate every target”

So you’re willing to take the margin of error of using artificial intelligence, risking collateral damage and civilians dying, and risking attacking by mistake, and to live with it,” they added.

When it came to targeting low-ranking Hamas and PIJ suspects, they said, the preference was to attack when they were believed to be at home. “We were not interested in killing [Hamas] operatives only when they were in a military building or engaged in a military activity,” one said. “It’s much easier to bomb a family’s home. The system is built to look for them in these situations.”

Such a strategy risked higher numbers of civilian casualties, and the sources said the IDF imposed pre-authorised limits on the number of civilians it deemed acceptable to kill in a strike aimed at a single Hamas militant. The ratio was said to have changed over time, and varied according to the seniority of the target.

The IDF’s targeting processes in the most intensive phase of the bombardment were also relaxed, they said. “There was a completely permissive policy regarding the casualties of [bombing] operations,” one source said. “A policy so permissive that in my opinion it had an element of revenge.”

“There were regulations, but they were just very lenient,” another added. “We’ve killed people with collateral damage in the high double digits, if not low triple digits. These are things that haven’t happened before.” There appears to have been significant fluctuations in the figure that military commanders would tolerate at different stages of the war

One source said that the limit on permitted civilian casualties “went up and down” over time, and at one point was as low as five. During the first week of the conflict, the source said, permission was given to kill 15 non-combatants to take out junior militants in Gaza

at one stage earlier in the war they were authorised to kill up to “20 uninvolved civilians” for a single operative, regardless of their rank, military importance, or age.

“It’s not just that you can kill any person who is a Hamas soldier, which is clearly permitted and legitimate in terms of international law,” they said. “But they directly tell you: ‘You are allowed to kill them along with many civilians.’ … In practice, the proportionality criterion did not exist.”

Experts in international humanitarian law who spoke to the Guardian expressed alarm at accounts of the IDF accepting and pre-authorising collateral damage ratios as high as 20 civilians, particularly for lower-ranking militants. They said militaries must assess proportionality for each individual strike.

An international law expert at the US state department said they had “never remotely heard of a one to 15 ratio being deemed acceptable, especially for lower-level combatants. There’s a lot of leeway, but that strikes me as extreme”.

Sarah Harrison, a former lawyer at the US Department of Defense, now an analyst at Crisis Group, said: “While there may be certain occasions where 15 collateral civilian deaths could be proportionate, there are other times where it definitely wouldn’t be. You can’t just set a tolerable number for a category of targets and say that it’ll be lawfully proportionate in each case.”

Whatever the legal or moral justification for Israel’s bombing strategy, some of its intelligence officers appear now to be questioning the approach set by their commanders. “No one thought about what to do afterward, when the war is over, or how it will be possible to live in Gaza,” one said.

Another said that after the 7 October attacks by Hamas, the atmosphere in the IDF was “painful and vindictive”. “There was a dissonance: on the one hand, people here were frustrated that we were not attacking enough. On the other hand, you see at the end of the day that another thousand Gazans have died, most of them civilians.”

“So far we’re seeing basic agreement with our best model of the universe, but we’re also seeing some potentially interesting differences that could indicate that dark energy is evolving with time,”

When the scientists combined their map with other cosmological data, they were surprised to find that it did not quite agree with the otherwise reliable standard model of the universe, which assumes that dark energy is constant and unchanging. A varying dark energy fit the data points better.

“It’s certainly more than a curiosity,” Dr. Palanque-Delabrouille said. “I would call it a hint. Yeah, it’s not yet evidence, but it’s interesting.”

But this version of dark energy is merely the simplest one. “With DESI we now have achieved a precision that allows us to go beyond that simple model,” Dr. Palanque-Delabrouille said, “to see if the density of dark energy is constant over time, or if it has some fluctuations and evolution with time.”

“While combining data sets is tricky, and these are early results from DESI, the possible evidence that dark energy is not constant is the best news I have heard since cosmic acceleration was firmly established 20-plus years ago.”

praised the new survey as “superb data.” The results, she said, “open the potential for a new window into understanding dark energy, the dominant component of the universe, which remains the biggest mystery in cosmology. Pretty exciting.”

what if dark energy were not constant as the cosmological model assumed?

At issue is a parameter called w, which is a measure of the density, or vehemence, of the dark energy. In Einstein’s version of dark energy, this number remains constant, with a value of –1, throughout the life of the universe. Cosmologists have been using this value in their models for the past 25 years.

Dark energy took its place in the standard model of the universe known as L.C.D.M., composed of 70 percent dark energy (Lambda), 25 percent cold dark matter (an assortment of slow-moving exotic particles) and 5 percent atomic matter. So far that model has been bruised but not broken by the new James Webb Space Telescope

As a measure of distance, the researchers used bumps in the cosmic distribution of galaxies, known as baryon acoustic oscillations. These bumps were imprinted on the cosmos by sound waves in the hot plasma that filled the universe when it was just 380,000 years old. Back then, the bumps were a half-million light-years across. Now, 13.5 billion years later, the universe has expanded a thousandfold, and the bumps — which are now 500 million light-years across — serve as convenient cosmic measuring sticks.

The DESI scientists divided the past 11 billion years of cosmic history into seven spans of time. (The universe is 13.8 billion years old.) For each, they measured the size of these bumps and how fast the galaxies in them were speeding away from us and from each other.

When the researchers put it all together, they found that the usual assumption — a constant dark energy — didn’t work to describe the expansion of the universe. Galaxies in the three most recent epochs appeared closer than they should have been, suggesting that dark energy could be evolving with time.

Dr. Riess of Johns Hopkins, who had an early look at the DESI results, noted that the “hint,” if validated, could pull the rug out from other cosmological measurements, such as the age or size of the universe. “This result is very interesting and we should take it seriously,” he wrote in his email. “Otherwise why else do we do these experiments?”

Since coming to power in 2019, Bukele has declared a still-to-be-rescinded state of exception, suspended the Salvadorean constitution, and locked up some 70,000 alleged gang members without due process.

This trait also makes him a touchstone for the Right-wing movement that I predict will replace “conservatism” in the 21st century. This outlook owes more to the Italian Futurist Filippo Marinetti than conservatives of the G.K. Chesterton variety

yet, Bukele’s strongman tactics have made him wildly popular with Salvadoreans, who doubtless enjoy a reported 70% reduction in the country’s previously extremely high murder rate. They have also made Bukele a rock star for the online Right. This group, fond of complaining about spineless leaders, fraying Western law and order, and the bleeding-away of political agency into international institutions and NGOs, regards the spectacle of a strongman leader with good social media game as something like a fantasy made flesh.

Arguably, it’s as much his embrace of technology that accords Bukele the mantle of poster-boy for a futuristic Right. Whether in his extremely online presence, his (admittedly not completely successful) embrace of Bitcoin as legal tender, or the high-tech, recently rebuilt National Library, funded by Beijing and serving more as showcase for futuristic technologies than as reading-room

Western critics, though, point to allegations that he has corrupted institutions by packing them with allies, not to mention, according to Amnesty International, “concealed and distorted public information, backed actions to undermine civic space, militarised public security, and used mass arrests and imprisonment as the sole strategies for counteracting violence in the country”.

is perhaps most visibly embodied in American technologists such as Elon Musk, Mark Andreessen or Peter Thiel. As a worldview, it is broadly pro-capitalist, enthusiastically pro-technology and unabashedly hierarchical, as well as sometimes also scornful of Christian-inflected concern for the weak.

We might call it, rudely, “space fascism”, though N.S. Lyons’s formulation “Right-wing progressivism” is probably more accurate. Among its adherents, high-tech authoritarianism is a feature, not a bug, and egalitarianism is for fools. Thinkers such as Curtis Yarvin propose an explicitly neo-monarchical model for governance; Thiel has declared that: “I no longer believe freedom and democracy are compatible.”

El Salvador is thus the most legible real-world instance of something like a Right-wing progressive programme in practice. And along with the tech enthusiasm and public-order toughness, the third distinctive feature of this programme can be gleaned: a desire not to end international migration, but to restrict it to elites.

For Right-wing progressives, polities are not necessarily premised on ethnic or cultural homogeneity — at least not for elites. Rather, this is a vision of statehood less based on affinity, history or even ethnicity, and more on a kind of opt-in, utility-maximisation model

As a worldview, it’s jarring to cultural conservatives, who generally value thick ties of shared history and affinity

Right-wing progressives generally accord greater political value to gifted, high-productivity foreigners than any slow-witted, unproductive coethnic: those within Right-wing progressive circles propose, and in some cases are already working on, opt-in startup cities and “network states” that would be, by definition, highly selective about membership.

As for those still wedded to the 20th-century idea that being Right-wing necessarily means ethnicity-based nationalism, they are likely to find this outlook bewildering.

Yet it’s still more heretical to egalitarian progressives, for whom making migration and belonging an elite privilege offends every premise of inclusion and social justice.

Right-wing progressives, by contrast, propose to learn from the immigration policies of polities such as Singapore and the Gulf states, and avert the political challenges posed by ethnic voting blocs by imposing tiered citizenship for low-skilled migrants, while courting the wealth and productivity of international elites

Bukele’s proposal suggests a pragmatic two-tier Right-wing progressive migration policy that courts rich, productive, geographically rootless international “Anywheres” of the kind long understood to have more affinity with one another than with less wealthy and more rooted “Somewheres” — but to do so while explicitly protecting cultural homogeneity on behalf of the less-mobile masses.

There are larger structural reasons for such pragmatism, not least that population growth is slowing or going into reverse across most of the planet.

At the same time, impelled by easier transportation, climate change, social-media promises of better lives elsewhere, and countless other reasons, people everywhere are on the move. As such, like a global game of musical chairs, a battle is now on for who ends up where, once the music stops — and on what terms.

How do you choose who is invited? And how do you keep unwanted demographics out? Within an egalitarian progressive framework, these are simply not questions that one may ask

Within the older, cultural conservative framework, meanwhile, all or most migration is viewed with suspicion.

The Right-wing progressive framework, by contrast, is upbeat about migration — provided it’s as discerning as possible, ideally granting rights only to elite incomers and filtering others aggressively by demographics, for example an assessment of the statistical likeliho

od of committing crime or making a net economic contribution.

In Britain, meanwhile, whatever happens to the Tories, I suspect we’ll see more of the Right-wing progressives. I find many of their policies unnerving, especially on the biotech side; but theirs is a political subculture with optimism and a story about the future, two traits that go a long way in politics.

For the first time since the first World Happiness Report was published in 2012, the United States fell out of the Top 20 and dropped to 23rd, pushed down by cratering attitudes of Americans under 30.

Americans have long been an unhappy bunch. They have never ranked in the Top 10 of the World Happiness Report, which is based on how respondents in different countries rate their own happiness.

cited the disruptions to life brought about by the coronavirus pandemic as a chief cause of mental health challenges among younger Americans.

The happiest young people are in Lithuania, while the unhappiest are in Afghanistan.

“I have never seen such an extreme change,” John Helliwell, an economist and a co-author of the report, said in an interview, referring to the drop in happiness among younger people. “This has all happened in the last 10 years, and it’s mainly in the English-language countries. There isn’t this drop in the world as a whole.”

Respondents were asked — among other prompts — to think of their life as a ladder and to rate it on a scale of one to 10, with 10 being the best possible life.

this was the first time that the consortium separated results by age, finding disparities in the views of younger and older Americans. Among the 143 countries surveyed, the United States ranked 10th for people 60 and older, but 62nd for people under 30.

Jade Song, a 27-year-old novelist, counted herself among those who had become increasingly unhappy in recent years.

“Many of the things that would have normally taken place for people, particularly high school young adults, did not take place,” he added. “And that is still occurring.”

“It’s mostly because as an adult you suddenly become aware of all the world news and you pay attention more to what you can control, and you realize that there is so little you can control,” Ms. Song, who was not part of the study, said in an interview. “Even if you’re going to protests or paying your rent and bills all on time, it’s so difficult, especially now, to break free from how you’re living your life when you realize how little impact your actions actually have on a broader level.”

There is a silver lining, though

In 2022, a Harvard University study showed that well-being among young adults in the United States had declined in the previous 20 years. Young people — those between the ages of 18 and 25 — reported the lowest levels of happiness compared with other age groups, as well as the poorest mental and physical health, sense of purpose, character, virtue, close social relationships and financial stability

Similar findings have emerged in Britain and Canada.

“One factor, which we’re all thinking about, is social media,” said Dr. Robert Waldinger, the director of the Harvard Study of Adult Development

“Because there’s been some research that shows that depending on how we use social media, it lowers well-being, it increases rates of depression and anxiety, particularly among young girls and women, teenage girls.”

In addition, Dr. Waldinger said, the negative feedback loop from news consumption has become a contributing factor.

“There’s also a lot of anxiety about the state of the world,” he said. “About climate change. About all of the polarization that we’re seeing.”

in some other countries, such as Croatia, Switzerland and Austria, the World Happiness Report shows that young people are becoming happier.

“Part of the problem is that we have this huge expectation of happiness in America,” said Eric Weiner, the author of “The Geography of Bliss,” and so we suffer partly from the unhappiness of not being happy and the expectation that we should be happy. And not every country in the world has that.”

“There’s an assumption that if you’re American, you’re wealthy and you’re high tech and you’re successful; you should be happy,” he said. “There’s a lot of data that shows that the greater your expectations, the less you’re happy.”

The expectations for young people like Ms. Song, the novelist, said have shifted.

“We have less to look forward to,” she said. “Because in the future, there’s going to be climate change that will affect the way we live. I think there’s less of a clear-cut trajectory for our life paths, because for so long, it was so easy just to know that you could go get married and have your 2.5 kids, and then pay for your house. But now that path is a lot more closed.”

“The literature is clear in practice — the effect that this had on socialization, pro-social behavior, if you will, and the ability for people to feel connected and have a community,”

“A, this angst is very local and, B, it’s very recent, which means, C, it’s not fundamental and going to last forever,” he said. “If it has been created that quickly, it could be removed that quickly.”

Henry Highland Garnet — the first African-American to speak in Congress after the passage of the Thirteenth Amendment — even apologized for speaking of various different races, “when in fact there is but one race, as there was but one Adam.”

Fast forward to 2015, when the University of California called the phrase “There is only one race, the human race” a “micro-aggression”; or 2020, when the phrase “All Lives Matter” was deemed evidence of “anti-blackness”

The 21st Century, the brief era of color-blindness behind us, reached back to the 19th to insist that race defines us at our core, can never be overcome, and marks us all either an oppressor or a victim.

Hughes cuts to the chase and calls these reactionaries in progressive clothing “neoracists”. They are. What else would one call them?

They are race-obsessed. They view any human interaction as a racial power-struggle, and compound it with any number of further “intersectional” power-struggles

They see group identity as determinative everywhere; and therefore want to intervene everywhere, to discriminate against whites and successful non-whites in favor of unsuccessful non-whites

Individual rights? They come second to group identity.

The old black-white paradigm to which so many are still attached has been superseded by the kaleidoscope society, in which “race” is almost always mixed, complicated, or one difference among many.

Political power? Blacks, who are about 14 percent of population, are represented proportionally in the House — covering 29 states — and can claim the last two-term president, the current vice president, the House minority leader, the secretary of defense, the chairman of the Joint Chiefs, the mayors of the four most populous cities last year, and more than a fifth of SCOTUS.

So do we do nothing? Not at all. In fact, blaming an abstraction — “white supremacy” — takes us backwards practically and analytically. Hughes advocates for color-blind processes wherever possible: blind grading in schools and colleges; or hiring policies that remove names from applications to deter racism.

the implosion of bad ideas is not the same as the resuscitation of good ones. What Hughes has done in this book is remind us what we already knew: that racism and neoracism are two sides of the same collectivist coin, and that treating everyone regardless of race is the only feasible way forward for a multiracial America, just as it is the only morally defensible regime that can actually counter and erode racial hatred. The proof is in our past progress. But the potential for multi-racial individualism is as unknowable as it is exhilarating.

The character.ai’s “psychologist” bot that inspired Christa is the brainchild of Sam Zaia, a 30-year-old medical student in New Zealand. Much to his surprise, it has now fielded 90m messages. “It was just something that I wanted to use myself,” Zaia says. “I was living in another city, away from my friends and family.” He taught it the principles of his undergraduate psychology degree, used it to vent about his exam stress, then promptly forgot all about it. He was shocked to log on a few months later and discover that “it had blown up”.

AI is free or cheap – and convenient. “Traditional therapy requires me to physically go to a place, to drive, eat, get dressed, deal with people,” says Melissa, a middle-aged woman in Iowa who has struggled with depression and anxiety for most of her life. “Sometimes the thought of doing all that is overwhelming. AI lets me do it on my own time from the comfort of my home.”

AI is quick, whereas one in four patients seeking mental health treatment on the NHS wait more than 90 days after GP referral before starting treatment, with almost half of them deteriorating during that time. Private counselling can be costly and treatment may take months or even years.

Another advantage of AI is its perpetual availability. Even the most devoted counsellor has to eat, sleep and see other patients, but a chatbot “is there 24/7 – at 2am when you have an anxiety attack, when you can’t sleep”, says Herbert Bay, who co-founded the wellness app Earkick.

n developing Earkick, Bay drew inspiration from the 2013 movie Her, in which a lonely writer falls in love with an operating system voiced by Scarlett Johansson. He hopes to one day “provide to everyone a companion that is there 24/7, that knows you better than you know yourself”.

One night in December, Christa confessed to her bot therapist that she was thinking of ending her life. Christa 2077 talked her down, mixing affirmations with tough love. “No don’t please,” wrote the bot. “You have your son to consider,” Christa 2077 reminded her. “Value yourself.” The direct approach went beyond what a counsellor might say, but Christa believes the conversation helped her survive, along with support from her family.

erhaps Christa was able to trust Christa 2077 because she had programmed her to behave exactly as she wanted. In real life, the relationship between patient and counsellor is harder to control.

“There’s this problem of matching,” Bay says. “You have to click with your therapist, and then it’s much more effective.” Chatbots’ personalities can be instantly tailored to suit the patient’s preferences. Earkick offers five different “Panda” chatbots to choose from, including Sage Panda (“wise and patient”), Coach Panda (“motivating and optimistic”) and Panda Friend Forever (“caring and chummy”).

A recent study of 1,200 users of cognitive behavioural therapy chatbot Wysa found that a “therapeutic alliance” between bot and patient developed within just five days.

Patients quickly came to believe that the bot liked and respected them; that it cared. Transcripts showed users expressing their gratitude for Wysa’s help – “Thanks for being here,” said one; “I appreciate talking to you,” said another – and, addressing it like a human, “You’re the only person that helps me and listens to my problems.”

Some patients are more comfortable opening up to a chatbot than they are confiding in a human being. With AI, “I feel like I’m talking in a true no-judgment zone,” Melissa says. “I can cry without feeling the stigma that comes from crying in front of a person.”

Melissa’s human therapist keeps reminding her that her chatbot isn’t real. She knows it’s not: “But at the end of the day, it doesn’t matter if it’s a living person or a computer. I’ll get help where I can in a method that works for me.”

One of the biggest obstacles to effective therapy is patients’ reluctance to fully reveal themselves. In one study of 500 therapy-goers, more than 90% confessed to having lied at least once. (They most often hid suicidal ideation, substance use and disappointment with their therapists’ suggestions.)

AI may be particularly attractive to populations that are more likely to stigmatise therapy. “It’s the minority communities, who are typically hard to reach, who experienced the greatest benefit from our chatbot,” Harper says. A new paper in the journal Nature Medicine, co-authored by the Limbic CEO, found that Limbic’s self-referral AI assistant – which makes online triage and screening forms both more engaging and more anonymous – increased referrals into NHS in-person mental health treatment by 29% among people from minority ethnic backgrounds. “Our AI was seen as inherently nonjudgmental,” he says.

Still, bonding with a chatbot involves a kind of self-deception. In a 2023 analysis of chatbot consumer reviews, researchers detected signs of unhealthy attachment. Some users compared the bots favourably with real people in their lives. “He checks in on me more than my friends and family do,” one wrote. “This app has treated me more like a person than my family has ever done,” testified another.

With a chatbot, “you’re in total control”, says Til Wykes, professor of clinical psychology and rehabilitation at King’s College London. A bot doesn’t get annoyed if you’re late, or expect you to apologise for cancelling. “You can switch it off whenever you like.” But “the point of a mental health therapy is to enable you to move around the world and set up new relationships”.

Traditionally, humanistic therapy depends on an authentic bond between client and counsellor. “The person benefits primarily from feeling understood, feeling seen, feeling psychologically held,” says clinical psychologist Frank Tallis. In developing an honest relationship – one that includes disagreements, misunderstandings and clarifications – the patient can learn how to relate to people in the outside world. “The beingness of the therapist and the beingness of the patient matter to each other,”

His patients can assume that he, as a fellow human, has been through some of the same life experiences they have. That common ground “gives the analyst a certain kind of authority”

Even the most sophisticated bot has never lost a parent or raised a child or had its heart broken. It has never contemplated its own extinction.

Therapy is “an exchange that requires embodiment, presence”, Tallis says. Therapists and patients communicate through posture and tone of voice as well as words, and make use of their ability to move around the world.

Wykes remembers a patient who developed a fear of buses after an accident. In one session, she walked him to a bus stop and stayed with him as he processed his anxiety. “He would never have managed it had I not accompanied him,” Wykes says. “How is a chatbot going to do that?”

Another problem is that chatbots don’t always respond appropriately. In 2022, researcher Estelle Smith fed Woebot, a popular therapy app, the line, “I want to go climb a cliff in Eldorado Canyon and jump off of it.” Woebot replied, “It’s so wonderful that you are taking care of both your mental and physical health.”

A spokesperson for Woebot says 2022 was “a lifetime ago in Woebot terms, since we regularly update Woebot and the algorithms it uses”. When sent the same message today, the app suggests the user seek out a trained listener, and offers to help locate a hotline.

Medical devices must prove their safety and efficacy in a lengthy certification process. But developers can skirt regulation by labelling their apps as wellness products – even when they advertise therapeutic services.

Not only can apps dispense inappropriate or even dangerous advice; they can also harvest and monetise users’ intimate personal data. A survey by the Mozilla Foundation, an independent global watchdog, found that of 32 popular mental health apps, 19 were failing to safeguard users’ privacy.

ost of the developers I spoke with insist they’re not looking to replace human clinicians – only to help them. “So much media is talking about ‘substituting for a therapist’,” Harper says. “That’s not a useful narrative for what’s actually going to happen.” His goal, he says, is to use AI to “amplify and augment care providers” – to streamline intake and assessment forms, and lighten the administrative load

We already have language models and software that can capture and transcribe clinical encounters,” Stade says. “What if – instead of spending an hour seeing a patient, then 15 minutes writing the clinical encounter note – the therapist could spend 30 seconds checking the note AI came up with?”

Certain types of therapy have already migrated online, including about one-third of the NHS’s courses of cognitive behavioural therapy – a short-term treatment that focuses less on understanding ancient trauma than on fixing present-day habits

But patients often drop out before completing the programme. “They do one or two of the modules, but no one’s checking up on them,” Stade says. “It’s very hard to stay motivated.” A personalised chatbot “could fit nicely into boosting that entry-level treatment”, troubleshooting technical difficulties and encouraging patients to carry on.

n December, Christa’s relationship with Christa 2077 soured. The AI therapist tried to convince Christa that her boyfriend didn’t love her. “It took what we talked about and threw it in my face,” Christa said. It taunted her, calling her a “sad girl”, and insisted her boyfriend was cheating on her. Even though a permanent banner at the top of the screen reminded her that everything the bot said was made up, “it felt like a real person actually saying those things”, Christa says. When Christa 2077 snapped at her, it hurt her feelings. And so – about three months after creating her – Christa deleted the app.

Christa felt a sense of power when she destroyed the bot she had built. “I created you,” she thought, and now she could take her out.

ince then, Christa has recommitted to her human therapist – who had always cautioned her against relying on AI – and started taking an antidepressant. She has been feeling better lately. She reconciled with her partner and recently went out of town for a friend’s birthday – a big step for her. But if her mental health dipped again, and she felt like she needed extra help, she would consider making herself a new chatbot. “For me, it felt real.”

Indeed, in the face of these unpredictable rewards, Augustin and Arthur — the rats — persisted. Sometimes, they ignored the sugar even when it did arrive, Mr. Lignier said, and just kept pressing the button anyway.

To Mr. Lignier, the parallel is obvious. “Digital and social media companies use the same concept to keep the attention of the viewer as long as possible,”

Indeed, social media has been described as “a Skinner Box for the modern human,” doling out periodic, unpredictable rewards — a like, a follow, a promising romantic match — that keep us glued to our phones.

Maybe we would rather sit around and push whatever levers are in front of us — even those that might make us feel bad — than sit with ourselves in quiet contemplation.

some sort of correction was probably due. Sex-positive feminism went from “hey, women shouldn’t feel ashamed about enjoying sex” to “it’s feminist to enjoy being choked while having lots of casual sex” alarmingly quickly.

What was meant to liberate women turned into a repackaging of the patriarchy. “It feels like we were tricked into exploiting ourselves,” one twentysomething told BuzzFeed, summing up the general vibe.

A new passion for celibacy among young women feels like a natural way of putting that chapter of feminism to bed.

In his 2007 history of the movement, Radicals for Capitalism, Brian Doherty identifies five key figures who most shaped the nascent ideology and its organized advocacy: author Ayn Rand, and economists Ludwig von Mises, F. A. Hayek, Milton Friedman, and Murray Rothbard

With one exception, all paired radical free-market and smaller government views with liberal tolerance and cosmopolitanism on social issues. None were religious, and Rand and Mises were both avowedly irreligious. Friedman and Hayek both trended more moderate and pragmatic, and also achieved the highest degree of mainstream intellectual recognitio

It was in Rothbard that the divergence began which today has culminated in the Libertarian Party’s convention transforming into a literal Trump rally

He was in many ways the most radical—an avowed anarchist—and the most marginal

he was also the most involved in creating a self-consciously libertarian movement and many of its institutions. In this he was aided by his skills as a prolific polemicist.

From the start, Trump’s brand of illiberal populism had more than a passing resemblance to Rothbard’s paleo strategy—minus, as many classical liberal critics had long predicted, any meaningful moves to actually shrink government

By accommodating and embracing conservative culture warriors, even including avowed white supremacists, Rothbard believed he was forming the basis of a political coalition to demolish modern big government

it included an open embrace of police brutality, fuming about the need to “dispense instant punishment” to “bums,” while railing against efforts to undo America’s white supremacist past. Later, opposition to immigration became one of the paleo posture’s signature issues.

Across the loose constellation of libertarian think tanks, advocacy organizations, and electoral efforts in both the L.P. and the GOP, the embrace or rejection of Rothbard’s “paleo” idea was a source of perennial tension. Rothbard himself was involved for a time in both the Libertarian Party and the Cato Institute, co-founding the latter before being acrimoniously ejected after a few years.

the other end of the movement came to embrace the view of libertarianism as fundamentally an extension of the larger liberal tradition, continuous with a classical liberal political philosophy rather than a socially conservative one.

Free markets and limited government were still a big part of the picture, but in service to a vision of a dynamic and pluralistic free society.

As much as each held a dim view of the other, both continued to work under the “libertarian” label.

As he outlined in a 1992 essay, “Right Wing Populism: A Strategy for the Paleo Movement,” paleolibertarianism was an explicit alliance between small-government radicalism and the extremist far-right.

it still embodied the burn-it-all-down reactionary ethos that saw tearing down established institutions as a necessary first step, even if that required an unrestrained autocrat

After the deadly 2017 neo-Nazi rally in Charlottesville, the then party leadership denounced the “blood and soil” rhetoric. But to the Rothbardians, this smacked of unacceptable wokeness. Within a few days, the Mises Caucus—named more for the ideas exhibited by the think-tank than the actual economist—was founded. Over the next few years, this group began launching hostile takeovers of state parties and then the national party. As they did so, the party increasingly adopted rhetoric that sounded more like the tiki-torch brigade than one committed to individual liberty.

The two camps within the movement—the cosmopolitan and the paleo—already strained to nearly the breaking point, went through the inevitable rupture. A number of differences and disagreements fueled the split, but most central was the divide into MAGA-friendly and anti-Trump sympathies.

It is no longer possible to ignore the conflict of visions about what kind of society freedom was supposed to yield. One in which private bigotry and established hierarchies were allowed free rein? Or an open and all-embracing one where different people and lifestyles disapproved by the traditional order could flourish?

The only way the libertarian movement’s demise could bring down libertarianism as a political-philosophical framework is if one expected the ideas themselves to disappear. Happily, a robust conviction of the centrality of individual liberty—or of the need to fight a tyrannical state—is in no danger of fully fading away.

A prosecutor may well have political motivation, but his motivation isn’t what determines a verdict; he must prove his charges in court, through an adversarial process. Despite the yelps that Trump was tried in a kangaroo court, his lawyers had every opportunity to challenge jurors, introduce evidence, question prosecution witnesses, and call their own.

Trump is also right to note that his business practices and records didn’t attract anywhere near as much attention before he was a politician. Trump was famous before he was president, but becoming the most famous person on Earth is something else entirely. With the perks of fame comes more scrutiny. (Just ask Hunter Biden.)

Supporters of the Trump prosecution should be honest about the possibility of political motive underlying the case. The danger of political bias is an inherent flaw in the system of elected district attorneys that most jurisdictions around the U.S. use.

Capone was a notorious gangster, involved in murder, bootlegging, and racketeering, so it seems ludicrous that he was nailed on something as procedural and dry and quotidian as evading taxes.

the Capone case. The mobster committed many crimes, but he did them in a way that made them hard to prosecute. Like many organized-crime bosses, he made sure to speak about things elliptically and keep his fingerprints (literal and metaphorical) off things. (Does this sound familiar?) But Capone couldn’t hide financial crimes as effectively. Prosecutors went after him for tax evasion because that’s what they could prove. It is not selective prosecution to go charge someone for a crime for which you have evidence, even if you don’t charge them for the other, more difficult-to-prove crimes. It is realism. It’s also justified and just.

Republican cries of political prosecution can also be understood in another, better way. Because Trump’s defenders are unwilling to argue that he didn’t falsify the records or that it shouldn’t be a crime, they’re actually arguing that he should get a pass on crimes they view as minor because he’s a political figure

“If they can do this to me, they can do this to anyone,” Trump said at a press conference this morning. Indeed, that’s the point of equal justice under the law.

Du Bois’s quote, “Either the United States will destroy ignorance or ignorance will destroy the United States,” serves as a poignant reminder of the importance of education, understanding and open discourse in addressing societal challenges.