Karen Lewis, president of the Chicago Teachers Union, smiles Sept. 18, 2012, as she talks with reporters in Chicago after the union's House of Delegates voted to suspend a seven-day strike. (Associated Press)
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Karen Lewis, president of the Chicago Teachers Union, smiles Sept. 18, 2012, as she talks with reporters in Chicago after the union's House of Delegates voted to suspend a seven-day strike. (Associated Press)
