[Oil companies and conservatives pulled the politically potent jobs card to shut down President Obama's offshore oil drilling moratorium appeal: "Rigs are leaving the gulf, and going to foreign waters." A federal appeals court ruled in their favor. Image: AP]

The owner of the Deepwater Horizon oil rig, Transocean, held survivors for nearly two days after the explosion with no outside contact at all. Was it an attempt to exhaust workers so they would sign away the company's liability?