Police officers stand guard during a tour of foreclosed homes by Occupy Wall Street activist in the East New York neighborhood of the Brooklyn borough of New York, Tuesday, Dec. 6, 2011. Finding it increasingly difficult to camp in public spaces, Occupy protesters across the country are reclaiming foreclosed homes and boarded-up properties, signaling a tactical shift for the movement against wealth inequality. Groups in more than 25 cities held protests Tuesday on behalf of homeowners facing evictions.(AP Photo/Mary Altaffer)