Tarnished Gold: Will Russian Olympic Doping Jeopardize Rio?

It's a saga that echoes the darkest intrigues of the Cold War: Dozens of Russian Olympic athletes accused of taking performance-enhancing drugs under state supervision, then faking their tests. The Russian lab director who ran the secret program has blown the whistle, and the US Justice Department has opened an investigation. Meanwhile, Olympic officials say that re-tests of doping samples from the 2008 Beijing Games could bar more than 30 athletes representing a dozen countries from this summer's games. We hear from the reporter who broke the story.