Michael Grant, a parent of a Chicago public school student, walks a picket line outside Shoop Elementary School in support of striking CPS teachers, Tuesday, Sept. 11, 2012. This is the second day of ... more 
Michael Grant, a parent of a Chicago public school student, walks a picket line outside Shoop Elementary School in support of striking CPS teachers, Tuesday, Sept. 11, 2012. This is the second day of a strike in the nation's third-largest school district as negotiations by the two sides failed to reach an agreement Monday in a bitter contract dispute over evaluations and job security. (AP Photo/M. Spencer Green) less 
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Associated Press | Photo By M. Spencer Green
Tue, Sep 11, 2012 6:40 PM EDT