Strike highlights division on teacher evaluation - Article Photos 1/3

A public school teacher cradles his baby while picketing outside Amundsen High School with other teachers on the first day of a strike by the Chicago Teachers Union, Monday, Sept. 10, 2012, in Chicago. The school is one of more than 140 schools in the Chicago Public Schools' "Children First" contingency plan, which feeds and houses students for four hours during the strike. (AP Photo/Sitthixay Ditthavong)