Discovery CEO David Zaslav on what Oprah Winfrey taught him
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Discovery CEO David Zaslav on what Oprah Winfrey taught him
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Discovery CEO David Zaslav on what Oprah Winfrey taught him

At its launch, Oprah's OWN network was searching for its place and almost didn't make it.
01:31
Thu, Aug 17 201711:56 AM EDT