The guest on this week's nationally syndicated Motley Fool Money radio show is David Novak, chairman and CEO of Yum! Brands. In this audio segment, Novak discusses business leadership lessons he's learned from Berkshire Hathaway's Warren Buffett and Southwest Airlines' Herb Kelleher. Novak has shared these and other leadership principles in his new book, Taking People With You: The Only Way to Make BIG Things Happen.

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