Hundreds of signs saying "On Strike" lay stockpiled in a store room of the Chicago Teachers Union strike headquarters on Saturday, Sept. 8, 2012 in Chicago. The union has vowed to strike on Monday, Sept. 10, 2012 if an agreement over teachers' contracts is not reached with Chicago Public Schools by Monday. (AP Photo/Sitthixay Ditthavong)

Associated Press
Hundreds of signs saying "On Strike" lay stockpiled in a store room of the Chicago Teachers Union strike headquarters on Saturday, Sept. 8, 2012 in Chicago. The union has vowed to strike on Monday, Sept. 10, 2012 if an agreement over teachers' contracts is not reached with Chicago Public Schools by  Monday. (AP Photo/Sitthixay Ditthavong)
Hundreds of signs saying "On Strike" lay stockpiled in a store room of the Chicago Teachers Union strike headquarters on Saturday, Sept. 8, 2012 in Chicago. The union has vowed to strike on Monday, Sept. 10, 2012 if an agreement over teachers' contracts is not reached with Chicago Public Schools by Monday. (AP Photo/Sitthixay Ditthavong)
View Comments