Bill O'Reilly

Bill O'Reilly is host of Fox News Channel's The O'Reilly Factor and the author of the best-selling books The O'Reilly Factor and The No Spin Zone. His new book is Who's Looking Out for You?

Ahead of The Colbert Report's last episode, Fresh Air listens back to interviews with Colbert. "I didn't realize quite how liberal I was until I was asked to make passionate comedic choices," he said.