His Laugh Factory tirade began after the two clubgoers shouted at him that he wasn't funny.
Veteran publicist Michael Levine, whose clients have included comedians George Carlin, Sam Kinison and Rodney Dangerfield, called Richards' remarks inexcusable. Comics often face hecklers without losing their cool, he said.
"It's never seen anything like this is my life," Levine said Monday. "I think it's a career ruiner for him. ... It's going to be a long road back for him, if at all."
http://www.forbes.com/entrepreneurs/...ap3192461.html