Here's who's on the late night shows tonight.

• Charlie Rose: a discussion of the Presidential race and religion
• The Daily Show: Newt Gingrich
• The Colbert Report: Anne Lamott
• The Late Show with David Letterman: Robert Downey, Jr. and Alicia Keys
• Jay Leno: Dr. Phil and Natasha Bedingfield
• Jimmy Kimmel Live: Vanessa Williams and Cinematic Orchestra
• Tavis Smiley: David Mamet and Andrew Bridge
• Late Night with Conan O'Brien: Jeff Garlin, Dax Shepherd, and The Kills
• The Late, Late Show with Craig Ferguson: Kathy Griffin, Emily Deschanel, and Morrissey
• Last Call with Carson Daly: Chelsea Handler and Serj Tankian