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Associated Press
Bernard Gaines, right, describes how wide his window is as he shops for an air conditioner with the help of salesman Leon Blackwood at P.C. Richard & Son, an electronics and appliance store, Tuesday, June 19, 2012 in the Brooklyn borough of New York. Temperatures are expected to approach or top 100 degrees Wednesday and Thursday in cities including New York, Philadelphia and Boston. (AP Photo/Mark Lennihan)

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