FERGUSON, MO - AUGUST 18: Demonstrators cover their faces as tear gas fills the air as police fire the gas against an unruly crowd protesting the shooting death of Michael Brown on August 18, 2014 in Ferguson, Missouri. Police sprayed pepper spray, shot smoke, gas and flash grenades as 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)
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Getty Images News Joe Raedle