Isaac nears Haiti with homeless quake population

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A man rests on a hammock as others chat on Manresa beach before the arrival of Tropical Storm Isaac in Santo Domingo, Dominican Republic, Friday, Aug. 24, 2012. Isaac strengthened slightly as it spun toward the Dominican Republic and Haiti, but seemed unlikely to gain enough steam early Friday to strike as a hurricane. The storm's failure to gain the kind of strength in the Caribbean that forecasters initially projected made it more likely that Isaac won't become a hurricane until it enters the Gulf of Mexico, said Eric Blake, a forecaster with U.S. National Hurricane Center in Miami. (AP Photo/Manuel Diaz)Tropical Storm Isaac strengthened as it swirled toward vulnerable Haiti on Friday evening, threatening to bring punishing rains to people still without homes after the 2010 earthquake, but unlikely to gain enough steam to strike as a hurricane.

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