President Barack Obama (R) tours the beach at Port Fourchon with Parish President Charlotte Randolph May 28, 2010 in Port Fourchon, Louisiana. The oil spill resulting from the Deepwater Horizon ... more 
President Barack Obama (R) tours the beach at Port Fourchon with Parish President Charlotte Randolph May 28, 2010 in Port Fourchon, Louisiana. The oil spill resulting from the Deepwater Horizon disaster now officially ranks as the worst in U.S. history. (Photo by Win McNamee/Getty Images) less 
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