Tropical Storm Isaac brings rains, wind throughout Caribbean

Thursday, August 23, 2012 | 1:18 p.m. CDT

ROSEAU, Dominica — Puerto Rico and the U.S. Virgin Islands braced for torrential rains Thursday as Tropical Storm Isaac churned waves as high as 10 feet in the Caribbean and threatened to become a hurricane that could take a shot at Florida just as Republicans gather for their national convention.

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