• Charlie Rose: Cokie Roberts, Bill Frist, Caroline Kennedy, Jeffrey Sachs and Richard Stengel
• The Daily Show: Senator Barack Obama (repeat)
• The Colbert Report: Richard Branson (repeat)
• The Late Show With David Letterman: Danny DeVito and Avril Lavigne
• Jay Leno: Fred Thompson, Travis Tritt, and Jerome Bettis
• Jimmy Kimmel Live: Will Forte, Perez Hilton, Super Dave Osborne, and Rilo Kiley
• Tavis Smiley: Tim Daly and Senator Jack Reed
• Late Night With Conan O'Brien: Clive Owen, Alan Alda, and Dinosaur, Jr.
• The Late, Late Show With Craig Ferguson: Drew Carey, Megalyn Echikunwoke, and a Tom Snyder tribute (repeat)
• Last Call With Carson Daly: Kelly Slater, Mat Kearney, and Rob Machado

• At 7, USA has coverage of The U.S. Open.
• At 8, CBS has a new Power of 10.
• NBC has a new Most Outrageous Moments at 8, then new episodes of Last Comic Standing and Dateline.
• At 9, Fox News has a Republican debate from New Hampshire.
• TBS has two new episodes of House of Payne at 9.
• There's a new Mythbusters on Discovery at 9.
• The History Channel has a new Lost Worlds at 9.
• HBO has a new Costas NOW at 9.
• At 9:30, HGTV has a new Design on a Dime.
• At 10, FX has a new Rescue Me.
• Food Network has a new Dinner: Impossible at 10.
• Fox Movie Channel has Revenge of the Nerds at 10.
• Also at 10: Bravo has a new Top Chef.

Check your local TV listings for more.