You can take the cat out of the jungle but you can't take the jungle out of the cat.
Ever since Obama's run at President it seems that a new level of youth and enthusiasm has been brought to American politics. That includes the way he speaks, his fist-pounds, and a lot more. If you were to tell me two years ago that we'd be seeing a non-white, non-old President I wouldn't have believed you. If you told me that the same president would go around fist-pounding the people he interacted with I would have thought it was a bad Dave Chappelle joke of what a black president would do in office. Yet here he is, and he hasn't limited himself with fist pounds. He also plays basketball often. Before his campaign speeches it wasn't uncommon for Obama to play a round of hoops with his campaigners.

Bush had his golf, Clinton had his sax...but Obama has his youth.