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June 21, 2013
The callous Stern turned from guest to critic during "Late Night With Jimmy Fallon" on Monday night. "You're competing against Letterman, Jimmy Kimmel," he shot at the host. "It's a jungle — you don't have the killer instinct." Someone out there must like Fallon, though; the comedian's transition to 'The Tonight Show' comes with a billing addendum "Starring Jimmy Fallon."