The biggest ocean-borne oil catastrophe in history began on April 20, when safety measures failed miserably on the Deepwater Horizon, and an undersea explosion commenced spewing 5 to 25 thousand barrels of oil per day* into the Gulf of Mexico. Containment measures have also failed to date. Whose head should roll?
BP ran the well, leasing the rig from Transocean.
Transocean drilled the well.
Cameron International built the blowout prevention equipment.
Halliburton (no, really?) poured the cement jacket.
The Mineral Management Service is the federal department responsible for enforcing regulations.
Everybody dropped the ball. So why choose? I think this should be a bloodbath on the scale of the spill. Criminal negligence like this needs to be outside the realm of possibility.
*Edit: this may actually be closer to 70,000, or an Exxon Valdez every four days.