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Sanjay Gupta talks to CNN Hero Robin Lim backstage at the 2011 Heroes tribute in Los Angeles
Sanjay Gupta talks to CNN Hero Robin Lim backstage at the 2011 Heroes tribute in Los Angeles

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    CNN Heroes backstage: Robin Lim

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CNN Heroes backstage: Robin Lim

Dr. Sanjay Gupta interviews top 10 CNN Hero Robin Lim and Christy Turlington Burns at "CNN Heroes: An All-Star Tribute."

CNN Heroes backstage: Robin Lim

Dr. Sanjay Gupta interviews top 10 CNN Hero Robin Lim and Christy Turlington Burns at "CNN Heroes: An All-Star Tribute."