New estimates suggest BP's ruptured well may have spewed twice as much oil into the Gulf of Mexico before it was capped than previously thought, raising new questions about cleanup and restoration efforts. Judy Woodruff has an update on the…

The sobering images of the Gulf of Mexico oil spill are widely known: oil covered birds and sludge-choked coastal grasses. But ecosystems may not be the only ones to see negative effects -- what about the spill's possible health impact…

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