Men who identified themselves as Papa B, left, and Cadillac Bob, find refuge from the heat in a shaded lot between their homes Thursday, July 5, 2012 on Chicago's south side. Chicago hit 103 degrees as oppressive heat slams the middle of the country with record high temperatures that aren't going away after the sun goes down. (AP Photo/Sitthixay Ditthavong)
Men who identified themselves as Papa B, left, and Cadillac Bob, find refuge from the heat in a shaded lot between their homes Thursday, July 5, 2012 on Chicago's south side. Chicago hit 103 degrees as oppressive heat slams the middle of the country with record high temperatures that aren't going away after the sun goes down. (AP Photo/Sitthixay Ditthavong)