Watch Late Show with David Letterman S08E48 (Season 8 Episode 48)

Watch Late Show with David Letterman S08E48

Cokie Roberts, Patricia Arquette

Calvert comes by for a smoke, then sings ""Who Let the Dogs Out?"" with Alan; Cokie Roberts offers her predictions on the election recount, as does Patricia Arquette.. You can watch Late Show with David Letterman S08E48 here.