1 of 37: Labor unions and others join Occupy Wall Street during a march in Lower Manhattan as they arrive near Zuccotti Park Wednesday, Oct. 5, 2011 in New York. Unions gave a high-profile boost to the long-running protest against Wall Street and economic inequality Wednesday, with their members joining thousands of protesters in a lower Manhattan march. Across the country, students at several colleges walked out of classes in solidarity. (AP Photo/Craig Ruttle) (AP Photo/ Craig Ruttle)

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