Have you seen the black mob beating at McDonalds...
http://pix11.com/2015/05/14/watch-brawl-breaks-out-in-brooklyn-mcdonalds-teens-turn-on-bystanders-and-workers/
After all, we are told ad nauseum by the left and race baiters that blacks only act out when they are being oppressed...
It can't be a cultural thing...