Lisa Lampanelli's act and Michael Richards's outburst against hecklers prove there's a fine line between comedic bigotry and actual bigotry. Nicknamed the "queen of mean," insult comic Lampanelli, an Italian-American who looks as if she could host The View, combines Don Rickles's clever irreverence with a touch of Andrew Dice Clay's ethnic attitude. She's been a fixture on New York's comedy scene for several years but has generated national buzz recently for her show-stealing appearances on Comedy Central celebrity roasts. Example: "Betty White is so old that on her first game show the grand prize was fire." Lampanelli is most corrosive, however, in her live act. After associating school shootings with blacks, she says, "That's obviously a joke based on a stereotype--blacks do not go to school." a Sat 12/2, 7:30 and 10:30 PM, the Vic, 3145 N. Sheffield, 773-472-0449 or 312-559-1212, $28.50, 18+.