Code Pink protestors stand behind Transocean CEO Steven Newman during oil executives testimony before the U.S. Senate Committee on Environment and Public Works investigating the recent oil spill in the Gulf of Mexico on Capitol Hill in Washington DC, Tuesday, May 11, 2010. The Deepwater Horizon oil spill (also referred to as the BP oil spill) was an oil spill in the Gulf of Mexico on the BP-operated Macondo Prospect, considered the largest accidental marine oil spill in the history of the petroleum industry, Transocean was the company that operated the rig. - Jeff Malet Photography in Action