Associated Press
Two people walk into a thatched roof hut located along the shore in Barahona, Dominican Republic, Thursday, Aug. 23, 2012. Puerto Rico and the U.S. Virgin Islands braced for torrential rains on Thursday as Tropical Storm Isaac whipped up waves as high as 10 feet (3 meters) in the Caribbean and threatened to become a hurricane that could take a shot at Florida just as Republicans gather for their national convention. (AP Photo/Ricardo Arduengo)

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