‘Johnny Carson: King of Late Night’ debuts tonight on PBS May 14, 2012 By Kathy Shaidle Clips at the American Masters‘ web site. PLUS from Splitsider: Remembering the other Johnny Carson show. More from my siteNope: Gene Wilder is the one who walks away with the movieHow ordinary people have those “honest discussions about race in America”Why people hate the census. And Quebeckers. (You’re welcome.)There’s a Lee Harvey Oswald joke in there somewhere