Is Letterman feuding with Paul Shaffer?

Reports from the set of David Letterman’s recent “Ventriloquist Week” stunt indicate the prickly host is growing increasingly annoyed with the bald bandleader’s interruptions and spotlight-stealing antics. After one recent, particularly lengthy interruption by Shaffer, Letterman was visibly displeased…and Paul was noticeably more reticent the next day.

Rumor has it that Shaffer’s change in demeanor is a direct result of the host having one of his minions read Shaffer the riot act, but it’s also possible the bald hipster caught sight of one of Letterman’s upcoming top ten lists: “Top Ten Uses for an Obnoxious Bandleader’s Corpse.”