Everything one needed to know about Jeb! was displayed in that one instant that is shown in the gif you posted :-)
What a friggen loser...
True, but maybe not for the reason you think. Undoubtedly he was told to do that by some campaign advisor, and he didn't dream it up on his own. The problem was, he did it. Someone like Reagan would have said, "Are you crazy? I'm not going to pull a stupid stunt like that!"