The big blowout in the gulf raises all sorts of questions. Among them, how do those offshore oil rigs really work … and who works on them? The First Lady got some major players in the food and beverage business to agree to reduce the calories in their products; here's a comforting development - future pilots are likely to be less experienced, less ethical and in short supply. The NTSB investigates. And a writer who grew up on hip-hop now thinks it’s undermining the progress of young Black Americans in a way that White racism once did.