4 of 25: In this Oct. 1, 2011 photo, protesters walk onto New York's Brooklyn Bridge before police began making arrests during Saturday's march by Occupy Wall Street. Protesters speaking out against corporate greed and other grievances attempted to walk over the bridge from Manhattan, resulting in the arrest of more than 700 during a tense confrontation with police. The majority of those arrested were given citations for disorderly conduct and were released, police said. (AP Photo/Stephanie Keith) (AP Photo/ Stephanie Keith)

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