The Rachel Maddow Show 04/20/12

Two years since BP disaster, Congress has done nothing

Bob Cavnar, author of “Disaster on the Horizon: The Story Behind the Deepwater Well Blowout,” and 30-year veteran of the oil and gas industry, talks with Rachel Maddow about the lack of any new oil spill strategies since the BP Deepwater Horizon spill ... more Duration: {{video.duration.momentjs}}