Officials may breach levee as Isaac storms inland
Hurricane Isaac
Credit: Getty Images
NEW ORLEANS, LA - AUGUST 29: A tree is blown over outside Tulane Medical Center during the rains from Hurricane Isaac on August 29, 2012 in New Orleans, Louisiana. The Category 1 hurricane is slowly moving across southeast Louisiana, dumping large amounts of rain and knocking out power to Louisianans in scattered parts of the state. (Photo by Mario Tama/Getty Images)
