Republican presidential candidate Mitt Romney holds a rally in Pensacola, Fla., in January. Emmanuel Dunand/AFP/Getty Images hide caption

itoggle caption Emmanuel Dunand/AFP/Getty Images

Pictured here on April 13, 2011, Barataria Bay — part of Louisiana's Barataria Basin — was one of the hardest hit areas in the aftermath of the Deepwater Horizon oil rig explosion. Today, obvious signs of the spill have faded, but communities are still reeling from its effects. Mario Tama/Getty Images hide caption

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Republican presidential candidate Mitt Romney speaks at the Mississippi Farmers Market in Jackson, Miss., on Friday. The former Massachusetts governor has skeptics in the Deep South. Rogelio Solis/AP hide caption

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A cross with the words "Promises Made"-- referring to statements from BP and government officials — stands in front of a pile of crosses symbolizing things that were impacted by the spill, in a front yard in Grand Isle, La. Patrick Semansky/AP hide caption

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Docks on the Bon Secour River sit idle nearly two years after the BP oil spill. The small fishing village of Bon Secour, Ala., is still suffering the lingering effects of the spill, despite government monitoring and assurances that Gulf seafood is not contaminated. Debbie Elliott/NPR hide caption

itoggle caption Debbie Elliott/NPR

Republican presidential candidate former House Speaker Newt Gingrich, accompanied by his wife, Callista, meets with parishioners during an event Saturday at the Jones Memorial AME Zion Church. Matt Rourke/AP hide caption

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