Sanya Richards-Ross aims for redemption

DALLAS, TX - MAY 13: Track and field athlete, Sanya Richards-Ross poses for a portrait during the 2012 Team USA Media Summit on May 13, 2012 in Dallas, Texas. (Photo by Nick Laham/Getty Images)

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    Sanya Richards-Ross aims for redemption

Track star Sanya Richards-Ross talks about her Olympic hopes and getting over her past defeats.