At a time when violent radicals are attacking America and its institutions as fundamentally and irredeemably racist, Robin DiAngelo may well be the woman of the hour. A 63-year-old professor at the University of Washington in Seattle, she’s a big name in multicultural education and in the burgeoning field of Whiteness Studies, which, unlike other identity-group “studies,” exists not to exalt the group in question but to demonize it. In the words of National Post columnist Barbara Kay, Whiteness Studies teaches that to be white is to be “branded, literally in the flesh, with evidence of a kind of original...