With billions of dollars at stake, the trial to figure out how much more BP and other companies should pay for the nation's worst offshore oil spill began today with the federal government saying the oil giant was mostly to blame for a disaster caused by putting profits ahead of safety. Justice Department attorney Mike Underhill said the explosion that killed 11 and funneled millions of gallons of oil into the Gulf resulted from BP's "culture of corporate recklessness." More standout details: