60 Minutes
Greg Mortenson, Howard Buffett, Novak Djokovic
E40 Jun 24, 2012 44m TV-PG
An investigation into the validity of humanitarian Greg Mortenson's best-selling stories. Also: Howard Buffett, who will succeed his father, Warren Buffett, as the head of a multibillion-dollar holding company; and tennis player Novak Djokovic.
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