PHOTOS: Chicago public school teachers on strike

11 of 73: A young boy holds up a sign critical of Chicago mayor Rahm Emanuel during a rally of striking Chicago school teachers Saturday, Sept. 15, 2012, in Chicago. Union president Karen Lewis reminded the crowd that although there is a "framework" for an end to their strike, they still are on strike. (AP Photo/Charles Rex Arbogast) (AP Photo/ Charles Rex Arbogast)

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