How would they stop him or her? The candidates usually use a lot of self-deprecating humor and we have two people who are incapable of that.
Well ain't you "special".....NOT!
Obama already broke that tradition. He was incapable of self-deprecating humor.
Oh, he would read lamely through a prepared joke or two that bordered on self-deprecation -- which you could tell he didn't like delivering.
He only warmed to his "comedy" when mocking Republicans.