CHICAGO - AUGUST 29: Back-to-school signs are displayed in a Target store August 29, 2006 in Chicago, Illinois. Public schools in Chicago are set to open September 5. (Photo by Tim Boyle/Getty Images)
CHICAGO - AUGUST 29: Back-to-school signs are displayed in a Target store August 29, 2006 in Chicago, Illinois. Public schools in Chicago are set to open September 5. (Photo by Tim Boyle/Getty Images)