Boomers, Gen X, Millennials, Gen Z seem to be more divided than ever. But why are tensions running high now? This hour, TED speakers explore new reasons for this generation gap—and how to bridge it.

“Why You Should Spend Less Time With Your Kids.” That’s the title of my TED talk that just came out — and here it is. In it, I try to explain the terrible lie that has been driving children and ...