Seth Meyers (left) reportedly ditched a series of jokes about the 2012 Republican presidential field during last year's White House Correspondents' Association dinner after he realized President Obama wasn't laughing. (Associated Press)

Seth Meyers (left) reportedly ditched a series of jokes about the 2012 Republican presidential field during last year's White House Correspondents' Association dinner after he realized President Obama wasn't laughing. (Associated Press)