Four years after BP’s Deepwater Horizon drilling platform exploded and killed 11 workers, causing more than 200 million gallons of oil to spew into the Gulf of Mexico, the Environmental Protection Agency has lifted a ban that excluded BP from new federal contracts. In a broadcast exclusive, we speak with Elizabeth Birnbaum, who was director of the Minerals Management Service in the Interior Department at the time of the Deepwater Horizon blowout. She was forced out soon after. In her first broadcast interview since her departure, Birnbaum warns the risk of another offshore oil drilling blowout is real. We are also joined by Jaclyn Lopez, staff attorney for the Center for Biological Diversity.