Emerging oil rig evidence shows lack of regulation
Gulf Oil Spill
Credit: AP
This Tuesday, May 11, 2010 image provided by the Deepwater Horizon Unified Command shows a small pollution containment chamber, known as the "top hat", being lowered into the Gulf of Mexico in Port Fourchon, La. BP announced Wednesday, May 12, 2010 that the "top hat" was on the sea floor near the wild well that has spewed at least 4 million gallons of oil into the Gulf of Mexico. (AP Photo/Deepwater Horizon Unified Command, Petty Officer 3rd Class Patrick Kelley)