Chris Jackson, 10, of Milwaukee plays in some water outside a school Wednesday, July 20, 2011, in Milwaukee. Workers and residents in the city are contending with highest temperatures of the summer ... more 
Chris Jackson, 10, of Milwaukee plays in some water outside a school Wednesday, July 20, 2011, in Milwaukee. Workers and residents in the city are contending with highest temperatures of the summer season as a prolonged stretch of hot, humid weather takes hold on the upper midwest region of the United States. (AP Photo/Morry Gash) less 
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Associated Press | Photo By Morry Gash
Wed, Jul 20, 2011 2:04 PM EDT