WASHINGTON - NOVEMBER 08: Chief Counsel Fred Bartlit holds up a piece of a mechanical valve while speaking during a two-day hearing of the National Commission of BP Deepwater Horizon Oil Spill and ... more 
WASHINGTON - NOVEMBER 08: Chief Counsel Fred Bartlit holds up a piece of a mechanical valve while speaking during a two-day hearing of the National Commission of BP Deepwater Horizon Oil Spill and Offshore Drilling at the Grand Hyatt Hotel November 8, 2010 in Washington, DC. The commission is hearing testimony on causes of blowout and drilling safety on BP Deepwater Horizon which exploded and leaked oil in the Gulf of Mexico. (Photo by Mark Wilson/Getty Images) less 
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Getty Images | Photo By Mark Wilson / Getty Images
Thu, Nov 11, 2010 7:15 AM EST