Title of Hillary's campaign memoir revealed: "What Happened"

In the book, to be published September 12, the former secretary of state will describe what it was like to run against Donald Trump as the first woman nominated by a major party for president.

“In the past, for reasons I try to explain, I’ve often felt I had to be careful in public, like I was up on a wire without a net,” Clinton writes in the introduction, according to a posting on Amazon. “Now I’m letting my guard down.”