This Dec. 11, 2012 photo released by NBC shows Martin Short, left, with cast member Fred Armisen on the set of "Saturday Night Live," in New York. Short will guest host on the popular

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This Dec. 11, 2012 photo released by NBC shows Martin Short, left, with cast member Fred Armisen on the set of "Saturday Night Live," in New York. Short will guest host on the popular late night program along with musical guest Paul McCartney. (AP Photo/NBC, Dana Edelson) less