The comedy circuit isn't always a laugh a minute--it's easy to get crucified for stealing material by your peers (culprit: Carlos Mencia) or, even worse, get called out by the audience for being boneheaded (Michael Richards!). But then there's the reward of simply making people cackle, which can make an average Joe quit the office and take up the comedic stage (John Mayer, don't even... More >>>