60 Minutes — Episode 30: Ambush in Afghanistan/The Bypass Effect/The Lost Leonardo

You are watching the episode Ambush in Afghanistan/The Bypass Effect/The Lost Leonardo "Ambush in Afghanistan" examines the sophisticated tactics used by Taliban fighters against U.S. Special Forces. "The Bypass Effect" looks at the use of Gastric Bypass surgery to treat obesity. "The Lost Leonardo" talks to an art detectives who believes he has discovered a lost mural by Leonardo da Vinci. "Andy Rooney" talks about air travel.