Bob Costas Took a Swig of Jack Daniel's On Jay Leno's Last Tonight Show

Bob Costas had himself an eventful evening on NBC. First he showed up on the Olympic broadcast with an eye infection Then he said “Pussy Riot” on television. To cap it off, Costas showed up on Jay Leno’s final Tonight Show taking a swig of Jack Daniel’s.

RELATED: Bob Costas Calls Mets’ Victory Celebration “Indication of The Decline of Western Civilization” [Video]
RELATED: Orb Wins Kentucky Derby and Bob Costas is Shorter Than a Jockey [VIDEO]
RELATED: Bob Costas Gives Props to Ludacris Because Ludacris Was the First Rapper to Name Check Him