Late Show with David Letterman

Carla Bruni Sarkozy, Jack Hanna, Cold Hard Cash

With First Lady of France Carla Bruni Sarkozy on the show, Dave wonders if he'll accidentally start an international incident; Lyle the Intern and his pal "Rudy" (Joe Grossman) promote their internet show; Jack Hanna brings out a baby kangaroo, an aardvark, and a macaque; on Day 2 of Tribute Band Week, The Cold Hard Cash Show performed "Folsom Prison Blues."