The Didact recently brought up yet another recent case of “flash mob” violence [http://didactsreach.blogspot.com/2016/10/guess-ethnicity.html] where the article is strangely…. quiet… about describing the perpetrators. Short version, 50 or so “youths” were arrested , with hundreds running around in groups from 20 to 50, ganging up on and beating up people in northern Philadelphia over the course of an evening. Just from the headline alone one would guess, based on who actually does these kind of…