Louis C.K. Breaks Down the Ball-Sucking Barrier on the Late ShowJay Hathaway5/02/14 2:10pm705EditPromoteDismissUndismissHideGo to permalinkAs hard as it is to believe, no one had ever uttered the phrase "sucks balls" on the Late Show until Louis C.K. did it last night, while describing his feelings about Letterman leaving the show.