19x131 - Late Show with David Letterman

Ahmadinejad in New York, the ancient papyrus; a Top Ten list; and Dave makes a plea to Mitt. TOP TEN REASONS MITT ROMNEY SHOULD APPEAR ON THE SHOW Our favorite uncle!! Dave is happy to see his old friend. What has Regis been up to? What did he do last night? Tom is in Clint Eastwood's new film, "Trouble With The Curve." We take a look at Tom's entire performance in the film.