Under the righteous-sounding banners of “equal opportunity,” “inclusion,” and “diversity,” the political Left embraces racial discrimination as legitimate public policy -- so long as the discrimination is practiced on behalf of the minorities that the Left axiomatically considers victims of an irredeemably oppressive America. Thus the Left reacted apoplectically to last Thursday’s Supreme Court ruling that public school systems may not achieve or preserve racial integration through measures that take explicit account of students’ racial backgrounds. Specifically, the Court’s split decision invalidated programs in Seattle and Louisville (Kentucky) that sought to maintain “diversity” in local schools by factoring race into...