Flash mobs in Philly, looters in London... so what's new?

It's August... "hot town, summer in the city." Teenagers are out of school and unemployed. Racial and ethnic minorities feel poor, jealous, angry. A cop shoots a local resident. Suddenly, the looting, the random beatings, the burning of cars commences.

Summer 2011:

http://www.npr.org/2011/08/09/139233715/britain-burns-riots-spread-through-uk-cities

http://www.foxnews.com/us/2011/08/09/philly-announces-youth-curfew-to-combat-violent-flash-mobs/

Summer 1968:

http://en.wikipedia.org/wiki/1968_Washington,_D.C._riots

http://en.wikipedia.org/wiki/Baltimore_riot_of_1968

http://www.capitalcentury.com/1968.html

http://www.npr.org/templates/story/story.php?storyId=93898277
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