NEW ORLEANS - SEPTEMBER 1:  Floodwater from Hurricane Gustav overtops the Industrial Canal levee into the Upper Ninth Ward September 1, 2008 in New Orleans, Louisiana. Hurricane Gustav, although still powerful, was downgraded to a Category 2 storm as it hit Cocodrie, Louisiana, about 70 miles southwest of New Orleans, with winds slowing to 110 miles an hour. Getty Images logo Getty Images 14 months ago

NEW ORLEANS - SEPTEMBER 1: Floodwater from Hurricane Gustav overtops the Industrial Canal levee into the Upper Ninth Ward September 1, 2008 in New Orleans, Louisiana. Hurricane Gustav, although still powerful, was downgraded to a Category 2 storm as it hit Cocodrie, Louisiana, about 70 miles southwest of New Orleans, with winds slowing to 110 miles an hour.