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

• At 8, ABC has a new Dancing with the Stars, followed by new episodes of Samantha Who? and The Bachelor.
• CBS has a new Big Bang Theory at 8, then new episodes of How I Met Your Mother, Two and a Half Men, Rules of Engagement, and CSI: Miami.
• FOX has a new Bones at 8.
• NBC has a new, two hour Deal Or No Deal and a new Medium.
• There's a new Gossip Girl on The CW at 8, then a new One Tree Hill.
• PBS has a new Antiques Roadshow at 8, then new episodes of American Experience and Great Performances.
• ABC Family has a new Greek at 8, followed by a new America's Prom Queen.
• USA has a new Monday Night RAW at 8.
• Also at 8: TLC has two new episodes of Little People, Big World.
• At 8:30, Food Network has a new Heavyweights.
• At 9, VH-1 has a new Flavor of Love.
• GSN has a new World Poker Tour at 9.
• At 9:30, Food Network has a new Unwrapped.
• At 10, MTV has a new episode of The Hills, then a new episode of The Paper.

Check your local TV listings for more.