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Recent experiments suggest that XBB paid a steep price for its power to evade immunity. The mutations allow it to escape antibodies by altering the shape of the protein, called spike, that covers its surface. But some of those mutations also make it harder for XBB spike proteins to grab tightly to cells — the first step required for an infection.

That loose grip may have lessened XBB’s advantage against other forms of the virus. In late 2022, it jostled alongside a number of other Omicron subvariants. In Singapore, XBB caused a surge in October, for example, while remaining rare in many other parts of the world.

As XBB multiplied, it continued to mutate into new forms. The earliest samples of XBB.1.5 were isolated in October in New York. The new subvariant gained one crucial mutation, known as F486P.

From one parent, it gained a set of mutations that helped it evade antibodies from previous infections and vaccinations. From the other parent, it gained a separate set of mutations that made it even more evasive.

In Connecticut, for example, Nathan Grubaugh at Yale University and his colleagues found that by mid-December, other Omicron subvariants were falling. Only XBB.1.5 cases were growing. Dr. Grubaugh estimates that it is about 20 percent more transmissible than BQ.1, which had been the dominant form.

How severe XBB.1.5 infections are compared with other forms of the coronavirus is not yet clear. “It’s serious,” Dr. Grubaugh said. “I just don’t necessarily know if it’s really more serious than some of the other Omicron lineages in terms of the overall impact.”

XBB.1.5 has already spread to other countries, and is growing rapidly in Germany, Denmark and elsewhere in Europe

Scientists are already scanning new sequences being uploaded to an international database called GISAID in the hopes of spotting an upgraded version of XBB.1.5. But their job is getting harder because governments are pulling back on sequencing efforts. “Worldwide, sequencing has taken a real hit,” Dr. Peacock said.

The United States, which once lagged behind other nations, has managed to maintain a fairly strong sequencing effort. Without it, Dr. Peacock said, XBB.1.5 might have stayed below the radar for much longer. If XBB.1.5’s next generation is evolving somewhere with little sequencing, it may go undetected for some time to come.

Dr. Lemieux said that paring back on sequencing was a mistake, given how many infections and deaths the virus is still causing. “This is a part of public health,” he said.

Blend these factors — a desire for escape from our virtual lives; bidding as fast as pushing a button; and the promotion of new collecting fields like outdated technology devices — and you have Heritage Auctions in Dallas.

Heritage is a whirlwind of activity, of passion, of hype, constantly trying new ways of enticing people to own something beautiful and useless. Ninety-one million Americans, according to U.S. Census Bureau surveys, are having trouble paying household bills. Everyone else is a potential bidder.

Twenty years ago, Heritage had four categories: coins, comics, movie posters and sports. Now it has more than 50, which generated revenue of $1.4 billion last year. Everything, at least in theory, is collectible.

“We don’t question the value or legitimacy of a particular subject matter relative to outmoded norms,” Mr. Benesh said. “We’re not here to tell you what’s worthwhile. The marketplace will tell you. The bidders” — Heritage has 1.6 million — “will tell you.”

In mid-2020, the privately held company moved to a 160,000-square-foot building by Dallas-Fort Worth International Airport, doubling the size of its former headquarters. Hundreds of specialists, most of them collectors themselves, prepare hundreds of thousands of items for bids here — researching, photographing, writing catalog copy.

The problem is, older historical items that were previously unknown are becoming rare. Every barn, basement and attic has been ransacked for treasures. New items related to Washington or Lincoln, for instance, are nearly impossible to find.

the characters in the core three modern shows—Discovery, Picard, and Strange New Worlds—are less concerned with professionalism and duty and more concerned with personal morality, authenticity, and teamwork.

Dylan Roth, writing for Fanbyte, suggested that as Star Trek has aged, it has “changed from a series about benign authority to one about stalwart heroes protecting an institution from moral decay.” This is true enough, but I also think there’s something else going on with the modern Trek shows. Namely, the atmosphere and philosophy of the shows is much less comfortable with the maxims of professionalism and duty that were foundational to pre-2017 Star Trek media.

Modern Star Trek, much like older Star Trek, often presents its main characters as moral paragons, but whereas older Trek would usually depict them embodying Starfleet’s ideals in the presence of challenging aliens, modern Trek is more likely to establish their uprightness by contrast with the faceless and untrustworthy institution of Starfleet itself. Both eras do both things, at least occasionally, but the ratio has notably shifted.

Old-school Sisko reminds his crew of the expectations he has for them and unsubtly critiques their behavior as unbecoming of Starfleet officers. He acknowledges their difficulties (“I know it’s hot. . .”), but leaves no doubt that he expects them to perform their duties as professionals anyway. New-school Tilly motivates her command by making it clear that she sees and hears their concerns, and encourages them to work together by seeing the value in their unique life experiences.

difference in leadership style is everywhere between the two eras. The Strange New Worlds version of Capt. Christopher Pike has been repeatedly praised for being more collaborative than commanding (I struggle to remember a time he has ever raised his voice), whereas Capt. Sisko shouts at everyone, as only the great Avery Brooks can shout. Picard’s version of its title character trades all his twentieth-century grouchy gravitas for a more grandfatherly role; his inspirational speeches now seek to buoy his friends’ confidence rather than inspire subordinates to high achievement.

WHY THE CHANGE? Part of it probably has to do with the other material that Star Trek writers are drawing from. The ’60s and ’90s-era Trek writers either served in the military themselves or were drawing from science fiction written by people who had. (Gene Roddenberry, the creator of Star Trek, and many of the great science-fiction authors of the mid-twentieth century, including Robert Heinlein, Arthur Clarke, Isaac Asimov, Frank Herbert, and Walter M. Miller Jr., each served in some capacity in the World War II-era U.S. or British armed forces.

modern Trek writers are far less likely to have served—but are far more likely to have worked in twenty-first-century corporate America, which has a rather different set of norms and concepts of professionalism.

more fundamentally, popular science fiction today—as written by authors like N.K. Jemisin, Martha Wells, and Tamsyn Muir—is more likely to be concerned with questions of identity and combating imperialism. It is also more likely to be written from marginalized perspectives, which have valid reasons to distrust institutions and authority. For many of these writers, concepts like “professionalism” have questionable implications

Besides, nobody likes any of America’s institutions anymore (and for all that Star Trek is ostensibly international, it is a fundamentally American franchise). Gallup’s polling about Americans’ faith in U.S. institutions shows it hovering at or near record-breaking lows, spawning a great deal of hand-wringing from people across the political spectrum. These apparently untrustworthy institutions range from purely political ones (the presidency, the Supreme Court, etc.) to “the church or organized religion” (whatever that means), “banks,” and “newspapers.”

What are professionalism and duty if not the suppression of individual quirks in service of some larger goal or institution? Duty overrides individual desires or assessments of right and wrong.

But older Trek nevertheless believed in duty, because it believed that Starfleet was a fundamentally good institution, even if it may be failed by individual bad or misguided actors. It elevated Starfleet’s regulations and codes of conduct almost to the status of holy wri

it is difficult to be seriously inspired by the notion of duties if one has a deep distrust of the institutions that assign such duties.

Of course the characters written by twenty-first-century authors, who are animated by the same deep distrust of American institutions as the rest of us, are less likely to justify themselves with the language of duty than they are by reference to personal morality and authenticity. And of course they’re going to be skeptical of rank and hierarchy because they don’t believe these things are necessarily signs of actual merit or accomplishment any more than the rest of us do.

Yet I worry. If Star Trek is supposed to start from the assumption that Starfleet and the Federation are quasi-utopian, I worry about what it says about our collective imaginations if we can’t even let the institutions of that fictional utopia be utopian. If we can’t even trust Starfleet, who can we trust?

Linker’s description of Bushnell’s options and actions is measured and not without some respect:

Damon hops off the bus at the same point I do: Bushnell displayed a tremendous amount of courage, yes. But this was mated to an absolute moral certainty.

Every society needs both, because that is how we conserve our achievements while still working toward a more perfect order.

[Bushnell’s] choice of that word to describe Israel means he followed the “anti-colonial left” in viewing the interminable conflict in and around the Jewish state through the lens of Western imperialism across the “global south.” Viewed in this way, Israelis are rapacious oppressors, exploiters, unjustly stealing from the Palestinians, occupying their land, not just in the territories of the West Bank that are occupied under international law but likely in its entirety. That’s certainly how Hamas views the situation, with an added overlay of Islamist theofascism.

What would it be like, I wonder, to live in a world so morally simple, so neat and tidy, so devoid of tragic clashes, so orderly, with its heroes and villains, its Children of Light and its Children of Darkness? I really wouldn’t know. Because the world I inhabit is one permeated by ambiguity and people with mixed motives who are often (usually?) torn between competing moral considerations and imperatives, not a world divided between the absolutely good and the absolutely evil. The line between good and evil doesn’t run between East and West, or North and South, or white and black, or Israel and Palestine. It runs right through every human heart. Or at least most hearts.

This is where liberalism and conservatism meet, in the most elemental sense. The conservative impulse is to be suspicious of change because you are aware that things can always get worse, that systems are often too complex to be understood, that tail risk rules the world. The liberal impulse is to believe that agency is precious, that the world can be improved, that progress is both possible and desirable.

Linker notes that Bushnell referred to Israelis as “colonizers”:

Every governing system needs both, because that is how we channel passions out of the street and into political institutions.

And every person needs both, because that is how we avoid the epistemic certainty that can drive us to extremes of exuberance or despair.

The war in Gaza is a textbook example of the dangers of epistemic certainty, because it is too complicated, freighted with too much history, and too full of horrors to fit neatly on one side of the ledger or the other.

The 10/7 attack was an act of unconstrained barbarism that made it impossible for Israel to coexist with Hamas. Or at least: I am not aware of any proposed remedy that would have made coexistence possible without Israel becoming a fully militarized, illiberal state.

The Israeli response has at times violated the rules of war—sometimes of its own volition and sometimes because Hamas’s strategy has been to position assets in such a manner as to result in the deaths of as many Palestinian civilians as possible.

The suffering of the Palestinian people is real and of a magnitude that is almost impossible to comprehend.

And yet, the war continues because Hamas has no interest in a ceasefire. “We are not interested in engaging with what’s been floated, because it does not fulfill our demands,” one Hamas official told the media yesterday.

The world is messy. Life is messy. Often in ways which break the human heart. The project of liberal society, which requires equal measures of liberalism and conservatism, is to manage this messiness as well as possible.