BP Oil Spill: As Companies Point Fingers at Each Other, New Concerns About Blowout Preventers

The initial phase of a Congressional investigation into the massive oil rig explosion and spill in the Gulf of Mexico uncovered new evidence Wednesday that showed a critical device meant to prevent a disaster had leaks and lacked sufficient force to seal off the well. "This seemed astounding to us," said Rep. Bart Stupak, a Michigan Democrat who is helping oversee the investigation. "The safety of its entire operations rested on the performance of a leaking, modified and defective blowout...Full Story