American higher education seems to be in a permanent state of crisis. Almost monthly, a federal court has occasion to reprimand some college or university for improperly chilling speech, even as some students continue to complain that campuses are too friendly to the wrong kind of speakers. Many institutions have cut back on faculty hiring, even as the cost of tuition grows. Two basic, and mutually reinforcing, phenomena are behind the chaos on campus. First, colleges and universities have subordinated their historic mission of free inquiry to a new pursuit of social justice. Consider the remarkable evolution of Yale’s mission...