Photos: A look back at the 2010 Gulf oil spill
Obama Gulf Oil Spill
Credit: ASSOCIATED PRESS
President Barack Obama, left, picks up a "tar ball" as LaFourche Parish president Charlotte Randolph, center, and U.S. Coast Guard Admiral Thad Allen, National Incident Commander for the BP Deepwater Horizon oil spill, look on during a tour of areas impacted by the Gulf Coast oil spill, Friday, May 28, 2010 in Port Fourchon, La. (AP Photo/Evan Vucci)
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