The diversity imperative demands dissimulation and evasion. The academic-achievement gap, the behavioral differences that produce socioeconomic disparities, and the ubiquity of racial preferences must all be suppressed in public discourse, since they undercut the narrative that white racism is the driving force in American society. This dissimulation was on display last week at the University of Pennsylvania Law School, when Dean Ted Ruger announced that law professor Amy Wax would no longer teach mandatory first-year law courses at the school. In a memo announcing his decision, Ruger accused Wax of “conscious indifference” to truth. It is Ruger, however, who has...