DENVER, CO - OCTOBER 29: A policeman in riot gear arrests a protester at the "Occupy Denver" camp on October 29, 2011 in Denver, Colorado. Following a march by protesters, police tried to tear down some newly-erected tents at the encampment and scuffled with demonstrators. Police arrested about a half dozen people and pepper-sprayed others during the melee. (Photo by John Moore/Getty Images)
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