Mary Buffett: Warren Buffett's Management Secrets January 27, 2010

Mary Buffett, daughter of Warren Buffett, speaks about her book, 'Warren Buffett's Management Secrets,' co-written with 'Buffettology' authority David Clark. It's an in-depth look at Warren Buffett's philosophies for personal and professional management--what they are, how they work, and how investors can use them.