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

• Charlie Rose: A.G. Lafley and Mickey Drexler
• The Daily Show: Senator Barack Obama
• The Colbert Report: Father James Martin and Rep. Bernie Sanders
• The Late Show with David Letterman: Billy Crystal and Maria Sharapova
• Jay Leno: Norm Macdonald, Dave Salmoni, and Ashlee Simpson
• Jimmy Kimmel Live: Don Rickles, Jim Sturgess, and Black Tide (repeat)
• Tavis Smiley: Dave Stewart
• Late Night with Conan O'Brien: Rachael Ray, John Cho, and Grizzly Bear
• The Late, Late Show with Craig Ferguson: Kate Beckinsale and Ken Tucker (repeat)
• Last Call with Carson Daly: Daryl Hannah