I'm an angry person, angrier than most people would imagine, I get flashes of anger. What works for me is working out when it's useful to use that anger.
Jon Stewart is exactly the same guy he's always been, only with money. He knows that the moment he really believes he's important, the funny goes away and he becomes Bill O'Reilly, except shorter and Jewish.
Viv had this kind of stage presence where you couldn't ignore it. He walked onstage, he looked dangerous. You just didn't know what he was going to do.

