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

• Charlie Rose: John F. Burns, Alistair Horne, and Timothy Garton Ash
• The Daily Show: Madeleine Albright
• The Colbert Report: Henry Louis Gates
• The Late Show with David Letterman: Courteney Cox, Thomas Friedman, Chingy, Ludacris
• Jay Leno: Dennis Quaid, David Koechner, and Lupe Fiasco
• Jimmy Kimmel Live: Mary J. Blige, Nate Berkus, and Missy Higgins
• Tavis Smiley: Rep. Patrick Murphy
• Late Night with Conan O'Brien: Will Ferrell, Rashida Jones, and Fred Simmons
• The Late, Late Show with Craig Ferguson: Regis Philbin, Shanna Moakler, and Alice Smith
• Last Call with Carson Daly: Rex Lee and Fat Joe

• At 8, NBC has a new, two hour Biggest Loser, then the series premiere of quarterlife.
• ABC has a new Just For Laughs at 8.
• FOX has a new American Idol at 8.
• PBS has a new Nova at 8, followed by a new Frontline/World.
• TCM has Talk of the Town at 8, then The Miracle of Morgan's Creek.
• At 9, The CW has a new One Tree Hill.
• MSNBC has a Presidential Debate at 9.
• At 9:30, HBO has a new In Treatment.
• At 10, CBS has a new Jericho.
• ABC has a new Primetime at 10.
• Also at 10: Sci-Fi has a new ECW.

Check your local TV listings for more.