Singling out the Weather Girls' hit song "It's Raining Men as one of his all-time gay anthems, Bob asks, "First of all, did you all know that Paul Shaffer wrote this song? Yeah, the bald-headed guy from Letterman? Yeah, he wrote this song." Bob continues ...

He then turned to Paul Shaffer, who was serving as the guest musical director along with former members of the CBS Orchestra, and asked what he was doing there. “It’s a funny story,” Shaffer said. “Have you ever taken too much Ambien and you wind ...

John Oliver wasn’t the only late night icon to crash this week. “The Tonight Show” started Monday off with a surprise appearance from the now-retired David Letterman, who poked fun at Jimmy Fallon while reuniting with bandleader Paul Shaffer.