Mary Buffett, Buffett Author and Former Daughter-in-Law, on His Investment Philosphy

Dec 15, 2011

Mary Buffett, who has written eight books on Warren Buffett and was married to his son for 12 years, has a new book that came out yesterday, "The Warren Buffett Stock Portfolio." In this interview with Betty Liu, she discusses his holdings and how they fit into his investment portfolio, particularly IBM (IBM, Financial).

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