We've all been there. You're sitting in a club, trying to listen to the comedian on stage, when someone starts heckling from the crowd. It's distracting and rude. You don't see comedians going into a business and start heckling workers. So why do people feel the need to throw in their two cents at a comic show? And how do you deal with the heckler? Take a page from Steve Hofstetter's book, who knows how its done.