In 2007, I told 60 Minutes that millennials, the generation of young people coming of age in the 21st century, could be incorrigible. “You do have to speak to them a little bit like a therapist on television might speak to a patient,” I said to Morley Safer. “You can't really ask them to live and breathe the company, because they're living and breathing themselves—and that keeps them very busy.”

Boy, what a difference three years makes. I've never been as ...