so i heard about that army major doing an experiment in kufa. his job was to stop the riots.there had been a number of riots in the city and so when he arrived he talked to the mayor of the town and he said a laundry list of requests and his last one was "can you take all the food vendors out of the plazas. and the mayor who's dealing with suicide bombers and war said sure, i'll take food vendors out, no problem. >> rose: that's what we can do as mayor. so a couple weeks later a crowd starts forming in one of the plazas by the moss and the local police radio it had base and they say looks like as riot is going to form and hours go by and this is typical when riots happen it takes a long time for the crowd to grow and it gets to about 5:30 and there's all these spectators, people getting riled up and people getting hungry and they look for the kebob sellers so they would normally get dinner from and they're not there because they removed them. so they go home and the people at the periphery of the crowd who see the people leaving, they leave, too. and eventually everyone just