I would say, as far as heckling, there's benign and there's malignant; like tumors man. Sometimes you get really nice hecklers. I'd say percentage-wise it's only about 10 to 20 percent the whole year.
GodfreyIf Mandela were a comedian, I bet he would never get mad at a heckler, he'd give him or her a hug.
Godfrey