newyorker | Last summer, an anonymous intermediary proposed to Harris and Harden that they address their unresolved issues. Harden appeared on Harris’s podcast, and patiently explained why Murray’s speculation was dangerously out in front of the science. At the moment, technical and methodological challenges, as well as the persistent effects of an unequal environment, would make it impossible to conduct an experiment to test Murray’s idly incendiary hypotheses. She refused to grant that his provocations were innocent: “I don’t disagree with you about insisting on intellectual honesty, but I think of it as ‘both/and’—I think that that value is very important, but I also find it very important to listen to people when they say, ‘I’m worried about how this idea might be used to harm me or my family or my neighborhood or my group.’ ” (Harris declined to comment on the record for this piece.) As she once put it in an essay, “There is a middle ground between ‘let’s never talk about genes and pretend cognitive ability doesn’t exist’ and ‘let’s just ask some questions that pander to a virulent on-line community populated by racists with swastikas in their Twitter bios.’ ”
Harden is not alone in her drive to fulfill Turkheimer’s dream of a “psychometric left.” Dalton Conley and Jason Fletcher’s book, “The Genome Factor,” from 2017, outlines similar arguments, as does the sociologist Jeremy Freese. Last year, Fredrik deBoer published “The Cult of Smart,” which argues that the education-reform movement has been trammelled by its willful ignorance of genetic variation. Views associated with the “hereditarian left” have also been articulated by the psychiatrist and essayist Scott Alexander and the philosopher Peter Singer. Singer told me, of Harden, “Her ethical arguments are ones that I have held for quite a long time. If you ignore these things that contribute to inequality, or pretend they don’t exist, you make it more difficult to achieve the kind of society that you value.” He added, “There’s a politically correct left that’s still not open to these things.” Stuart Ritchie, an intelligence researcher, told me he thinks that Harden’s book might create its own audience: “There’s so much toxicity in this debate that it’ll take a long time to change people’s minds on it, if at all, but I think Paige’s book is just so clear in its explanation of the science.”
The nomenclature has given Harden pause, depending on the definition of “hereditarian,” which can connote more biodeterminist views, and the definition of “left”—deBoer is a communist, Alexander leans libertarian, and Harden described herself to me as a “Matthew 25:40 empiricist” (“The King will reply, ‘Truly I tell you, whatever you did for one of the least of these brothers and sisters of mine, you did for me’ ”). The political sensitivity of the subject has convinced many sympathetic economists, psychologists, and geneticists to keep their heads below the parapets of academia. As the population geneticist I spoke to put it to me, “Geneticists know how to talk about this stuff to each other, in part because we understand terms like ‘heritability,’ which we use in technical ways that don’t always fully overlap with their colloquial meanings, and in part because we’re charitable with each other, assume each other’s good faith—we know that our colleagues aren’t eugenicists. But we have no idea how to talk about it in public, and, while I don’t agree with everything she said, sometimes it feels like we’ve all been sitting around waiting for a book like Paige’s.”
Harden’s outspokenness has generated significant blowback from the left. On Twitter, she has been caricatured as a kind of ditzy bourgeois dilettante who gives succor to the viciousness of the alt-right. This March, after she expressed support for standardized testing—which she argues predicts student success above and beyond G.P.A. and can help increase low-income and minority representation—a parody account appeared under the handle @EugenicInc, with the name “Dr. Harden, Social Justice Through Eugenics!” and the bio “Not a determinist, but yes, genes cause everything. I just want to breed more Hilary Clinton’s for higher quality future people.” One tweet read, “In This House We Believe, Science is Real, Womens Rights are Human Rights, Black Lives Matter, News Isnt Fake, Some Kids Have Dumb-Dumb Genes!!!”
In 2018, she wrote an Op-Ed in the Times, arguing that progressives should embrace the potential of genetics to inform education policy. Dorothy Roberts, a professor of law, sociology, and Africana studies at the University of Pennsylvania, strongly disagreed: “There’s just no way that genetic testing is going to lead to a restructuring of society in a just way in the future—we have a hundred years of evidence for what happens when social outcomes are attributed to genetic differences, and it is always to stigmatize, control, and punish the people predicted to have socially devalued traits.” Darity, the economist, told me that he doesn’t see how Harden can insist that differences within groups are genetic but that differences between them are not: “It’s a feint and a dodge for her to say, ‘Well, I’m only looking at variations across individuals.’ ”
There is a good precedent for this kind of concern. In “Blueprint,” Robert Plomin wrote that polygenic scores should be understood as “fortune tellers” that can “foretell our futures from birth.” Jared Taylor, a white-supremacist leader, argued that Plomin’s book should “destroy the basis for the entire egalitarian enterprise of the last 60 or so years.” He seized on Plomin’s claim that, for many outcomes, “environmental levers for change are not within our grasp.” Taylor wrote, “This is a devastating finding for the armies of academics and uplift artists who think every difference in outcome is society’s fault.” He continued, “And, although Blueprint includes nothing about race, the implications for ‘racial justice’ are just as colossal.” Harden has been merciless in her response to behavior geneticists whose disciplinary salesmanship—and perhaps worse—inadvertently indulges the extreme right. In her own review of Plomin’s book, she wrote, “Insisting that DNA matters is scientifically accurate; insisting that it is the only thing that matters is scientifically outlandish.” (Plomin told me that Harden misrepresented his intent. He added, “Good luck to Paige in convincing people who are engaged in the culture wars about this middle path she’s suggesting. . . . My view is it isn’t worth confronting people and arguing with them.”)
With the first review of
Harden’s book, these dynamics played out on cue. Razib Khan, a
conservative science blogger identified with the “human biodiversity”
movement, wrote that he admired her presentation of the science but was
put off by the book’s politics; though he notes that a colleague of his
once heard Harden described as “Charles Murray in a skirt,” he clearly
thinks the honorific was misplaced. “Alas, if you do not come to this
work with Harden’s commitment to social justice, much of the
non-scientific content will strike you as misguided, gratuitous and at
times even unfair.” This did not prevent some on the Twitter left from
expressing immediate disgust. Kevin Bird, who describes himself in his
Twitter bio as a “radical scientist,” tweeted, “Personally, I wouldn’t
be very happy if a race science guy thought my book was good.” Harden
sighed when she recounted the exchange: “It’s always from both flanks.
It felt like another miniature version of Harris on one side and Darity
on the other.”
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