Food Network star Alton Brown joins us with tips for Valentine's Day. The secret is...Salt! His latest book is I'm Just Here for the Food, Version 2.0.

Richard Zoglin, Time Magazine theater critic, has a new book out about how stand-up comedy in the 1970s changed America. Comedy at the Edge discusses George Carlin, Richard Pryor, Steve Martin, Robin Williams and all the other greats.

Rachel Ehrenfeld is the Director of the American Center for Democracy, and an expert on narco-terrorism. She is at the center of a major international free speech case.

Playboy Playmate Daphnee Duplaix is the host of a new Playboy TV gameshow, Show Us Your Wits. Do you think you could answer trivia questions while getting a lap dance?