A high-profile federal investigation accuses four men of distributing steroids to top athletes. Though no top sports stars have been indicted — yet — the scandal could reveal an ugly aspect of competitive sports, the use of performance enhancers.
*NPR's sports correspondent
Dr. John Hoberman
*Professor at UT-Austin, expert on doping
*Author: Testosterone Dreams: Rejuvenation, Aphrodesia, Doping
*Head of research and development and CEO of Molecular Nutrition