House committee takes aim at possible defects in oil rig disaster

The Energy and Commerce Oversight and Investigations Subcommittee focuses on potential issues with cementing of the well and the blowout preventer. Congressional committee members probing the catastrophic gulf oil spill homed in Wednesday on possible defects in cementing and in a critical safety device as they grilled oil company executives about what Rep. Henry A. Waxman (D-Beverly Hills) called "a calamitous series of...

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