Michael Hayden thinks America is in danger of losing something precious — our reliance on truth. That's what his new book, "The Assault on Intelligence: American National Security in an Age of Lies," is all about. The four-star general and former leader of both the C.I.A. and the N.S.A. says if we abandon facts, we abandon freedom. | Want to support 1A? Give to your local public radio station at donate.npr.org/1A and subscribe to our podcast. Have questions? Email the show at 1a@wamu.org and find us on Twitter @1a.