Late Show with David Letterman

Carla Bruni Sarkozy, Jack Hanna, Cold Hard Cash (16x45)

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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."