On this week's show, we revisit two of our favorite interviews from 2017. Award-winning director Peter Kunhardt talks about his documentary, Becoming Warren Buffett. And best-selling author Michael Lewis talks about his new book, The Undoing Project: A Friendship That Changed Our Minds. Thanks to Harry's for supporting The Motley Fool. Get your Free Trial set - go to Harrys.com/fool.

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