Has an "army of mediocrity" taken over higher education in America? Dr. Stanley Ridgely argues that's the least of the problems. His new book, "Brutal Minds: The Dark World of Left-Wing Brainwashing in Our Universities," Ridgely and I discuss the conversion of education into indoctrination, and how the Left has applied tactics of cults to succeed at it. It's a Cultural Revolution fitting of Mao himself, whom many of its activists idolize and model.