FERGUSON, MO - AUGUST 17:  A demonstrator stands near a cloud of tear gas after police fired the gas at  demonstrators protesting the shooting death of Michael Brown when they remained on the street after a midnight curfew on August 17, 2014 in Ferguson, Missouri. Police fired smoke bombs and tear gas at protesters who remained on the streets of Ferguson after a Saturday night curfew took effect. Violent outbreaks have taken place in Ferguson since the shooting death of Michael Brown by a Ferguson police officer on August 9th.  (Photo by Joe Raedle/Getty Images)