What explains the recent, alarmingly broad and rapid capture of cultural, political, and economic institutions by neo-Marxist identity politics and liberation ideologies? Writing in Tablet, Russell Jacoby argues that the end of the rapid expansion of universities in the late Nineties meant that PhDs in subjects such as “critical pedagogy, insurgent sociology, gender studies, [and] radical anthropology” could no longer find employment in the professoriate. Ideas that for years were confined to the halls of academe spilled forth like seeds from a bursting pod and are now bearing noxious fruit in the larger culture.