‘Just wait till those campus snowflakes enter the real world—that’ll shape ’em up!” So goes a typical response to totalitarian hysteria at colleges. The firing of a Google engineer last week for questioning the company’s diversity ideology exposes that hope as naive. The “real world” is being remade in the image of college campuses with breathtaking speed.

A conveyor belt of left-wing conformity runs from the academy into corporations and the government, so that today’s ivory-tower folly becomes tomorrow’s condition of employment....