On this week's nationally syndicated Motley Fool Money radio show, our guest is corporate-governance expert and film critic Nell Minow. In this audio segment she discusses Warren Buffett's announcement that he's named his son Howard Buffett to be a non-executive chairman on Berkshire Hathaway's board of directors. Having met with Warren Buffett earlier this year, Minow goes on to share the real secret to his success.

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