Terry Gross

Frum is former assistant to President Bush and a former White House speechwriter who helped coin the phrase "axis of evil." Perle is a former assistant secretary of defense under Reagan, and a member of President Bush's Defense Policy Board. The two have been influential in helping to shape foreign policy for the Bush administration. They have collaborated on the new book An End to Evil: How to Win the War on Terror.

He won a Pulitzer Prize in 2001 for his investigative reporting in The New York Times. His new book is Perfectly Legal: The Covert Campaign to Rig Our Tax System to Benefit the Super Rich -- and Cheat Everybody Else. Johnston was hired by the Times to cover taxes and he approached it like an ongoing investigation. In his new book he writes, "I was especially surprised to find that some of the biggest tax breaks for the rich are not even in the tax code, and that the IRS was completely unaware of many widely used tax fraud schemes.

The Puerto Rican born actor is currently starring in 21 Grams opposite Sean Penn and Naomi Watts. His other films include Traffic, The Usual Suspects, and Snatch.