In south Florida, the first sign of Tropical Storm Isaac, which is expected to strengthen to a Category 2 hurricane as it heads toward the Gulf Coast.<br/> <br />Boarding up buildings and stocking up on supplies in Tampa. Concerns about Isaac have already forced Republicans to rework their national convention.<br/> <br />Mitt Romney.<br/> <br />SOUNDBITE: Republican presidential candidate Mitt Romney saying:<br/> <br />"I hope everyone is fine there, concerned about the people who are going to be affected by it."<br/> <br />Reporter: "Are you concerned about your convention?"<br/> <br />ROMNEY: "It's going to be a great convention."<br/> <br />While Isaac is expected to spare Tampa a direct hit, it isn't clear, however, just where the storm will touch down.<br/> <br />Governor Rick Scott says Florida is ready for any scenario.<br/> <br />SOUNDBITE: Florida Governor Rick Scott saying:<br/> <br />"What they are going to find out is we know how to deal with hurricanes, we are prepared, this is a state that knows how to deal with those things."<br/> <br />Most of the Gulf Coast, from Florida all the way to New Orleans are under a hurricane watch.
