BP's Deepwater Horizon oil rig on fire. | Department of Energy (<a href="http://www.usa.gov/copyright.shtml">Government Work</a>).
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Executives from three of the companies in charge of operations at the Deepwater Horizon oil rig are on the hot seat in the Senate today. The rig exploded on April 20 and continues to leak hundreds of thousands of gallons of oil into the Gulf of Mexico.
BP America president and chairman Lamar McKay, Transocean CEO Steven Newman, and Halliburton chief health, safety and environmental officer Tim Probert will testify before both the Energy and Natural Resources and Environment and Public Works committees on Tuesday. Mother Jones environmental reporter Kate Sheppard is live-Tweeting the hearings:
