Chicago Teachers Union President Karen Lewis arrives for a meeting of the union's delegates Friday, Sept. 14, 2012, in Chicago. The city's nearly weeklong teachers strike appeared heade

 

              Chicago Teachers Union President Karen Lewis arrives for a meeting of the union
Chicago Teachers Union President Karen Lewis arrives for a meeting of the union's delegates Friday, Sept. 14, 2012, in Chicago. The city's nearly weeklong teachers strike appeared headed toward a resolution Friday after negotiators emerged from marathon talks to say they had achieved a "framework" that could end the walkout in time for students to return to class Monday. (AP Photo/Charles Rex Arbogast)