BP removed the cap collecting oil from the blown-out well in the Gulf today, and as a result, the flow of oil into the ocean has increased substantially. Officials say an underwater robot may have accidentally shut one of the valves on the cap, creating a hazard on the Enterprise drill ship. It's not clear when BP will be able to replace the cap and resume collecting oil. Michele Norris talks with NPR's Richard Harris.
BP Suffers Setback With Oil Containment Cap
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