PBS NewsHour

World Champion Sprinter Tyson Gay Tests Positive for Doping

Clip: 07/15/2013 | 6m 58s

American sprinter Tyson Gay is the latest athletic star to test positive for performance enhancement drugs. Gwen Ifill talks to USA Today's Christine Brennan for more on why athletes continue to dope despite the number of professional careers and reputations tarnished by revelations of drug use.

Aired: 07/15/13

Rating: NR

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