When schizophrenia and autism, for example, turned out to be largely heritable, we no longer blamed these disorders on cold or inept mothers. But, for such freighted traits as intelligence, liberals remained understandably anxious and continued to insist that differences—not just on a group level but on an individual one—were merely artifacts of an unequal environment. Conservatives pointed out that an à-la-carte approach to scientific findings was intellectually incoherent.

He had once been one of the dreaded affreux, the “frightful ones,” the white freelance soldiers who helped keep dictators in power throughout Africa and Asia.

“I admit some of the cafeteria food gives me bubble gut, but I can't connect anything in particularto the onset of a migraine.” “Bubble gut?” He waved a hand to forestall an explanation. “I got it. It's as self-explanatory as wonky.

He seldom was seen in the office himself, but occasionally a paragraph in the paper recorded that his yacht had touched at Mentone and that he had been seen at the Monte Carlo tables, or that he was expected in Leicestershire for the season.