that if jason van dyck was not found guilty. that made a lot of weirdti assumptions of race and boundaries. and there is a pretty obvious legacy. but it is a familiar story a 17 -year-old killed in chicago because of the racialized boundaries and that's the story ofed emmett till and also mcdonald's what does that mean for us to be caught up in that return of this recurring story so the before during after is at ruse that i do not believe that. [laughter] spent the structure that you don't believe in. >> that helps me to be successful. >> go back to the idea of the race riots of 1919 it obviously you have read a lot and the question i want to ask is it. after 1919, they had a riot and now they started to talk about retracing the terminology calling it the massacre what about looking at it from a different perspective quick. >> that's a great question now i have to talk about thisal riot it is an open question. there are certain situationsti where it is very clear so what happened in baltimore after freddie gray i would not call