In 1983, chairman and former CEO of Berkshire Hathaway (NYSE:BRK, BRK.B)) Warren Buffett made one of the most unconventional deals of his career. He bought 90% of Nebraska Furniture Mart for $60 million. No audit. No team of lawyers. Just a 1¼-page contract and a handshake. A Business Deal Built On Trust The seller was 89-year-old Rose Blumkin, better known as Mrs. B. Born in Belarus, she immigrated to the U.S. with no money, no formal education and no English. She started NFM in a basement with