Isaac gains strength, heads towards Coast

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text">A man removes sand bags from the entrance to an office as he arrived to work in Mobile, Ala. on Wednesday, Aug. 29, 2012.  Hurricane Isaac has dumped more than five inches of rain on the Alabama coast and knocked out power to some residents, but it hasn&#39;t interrupted the everyday life of others.  Residents of Dauphin Island lost power, but they also escaped the worst of Isaac. The weather service reports wind gusts of 47 mph. (AP Photo&#47; Butch Dill)</span></div>
August 29, 2012 7:43:22 AM PDT