Late Show with David Letterman

Season 15, Episode 54

Episode Title: Bill Cosby, Lake Bell, The Matt Savage Trio

Air Date: 2008-01-29

Overview:

Lt. Len Easton calls up C-SPAN's "Washington Journal"; Bill Cosby shares an antedote about his recently deceased mother; teen jazz prodigy Matt Savage and his trio perform "El Fuego."