Karen Lewis, president of the Chicago Teachers Union, left, works the crowd before addressing union members during a rally Saturday, Sept. 15, 2012, in Chicago. Lewis reminded that although there is a... more 
Karen Lewis, president of the Chicago Teachers Union, left, works the crowd before addressing union members during a rally Saturday, Sept. 15, 2012, in Chicago. Lewis reminded that although there is a "framework" for an end to their strike, they are still on strike. (AP Photo/Charles Rex Arbogast) less 
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Associated Press | Photo By Charles Rex Arbogast
Sat, Sep 15, 2012 5:31 PM EDT