Berkshire Hathaway's planned acquisition of Burlington Northern Santa Fe Corp. is the latest example of Warren Buffett translating a childhood obsession into a business reality.
As Alice Schroeder writes in "The Snowball," Buffett has been "slightly obsessed with trains" since childhood and loved model trains. While at Columbia Business School and Graham-Newman Corp., Buffett analyzed mentor Benjamin Graham's portfolio of railroad stocks and bonds.
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