60 Minutes: Season 40, Episode 18 - ProjectFreeTV

40 - 18:

Mike Wallace interviews Roger Clemens, who discusses allegations that he used banned substances during his career, which were made in former senator George Mitchell's report on baseball and steroids; and Steve Kroft interviews former Boston mob hit man John Martorano, who turned government witness, served 12 years in prison and admitted to killing 20 people over three decades.