Granaveter says that the issue isn't about people having beliefs and then suddenly losing those beliefs because they're in a mob. The issue is about thresholds. Your threshold is the number pople who have to do something before you join in. An 18 year old may be drunk at midnight in a car with three of his friends. That person has a really low threshold. It doesn't take a lot of encouragement to get him to do something stupid. Graniveter's second point is just as important. Every one's threshold is different. There are plenty of radicals and trouble makers who might need only slight encouragement to throw that rock. Their threshold is really low. But think about your