02 Mar 2015 Hints of 'Jain & Abel' in Berkshire's annual letter ( Portfolio )

Warren Buffett, Berkshire Hathaway chairman & CEO, says there's no horse race to run Berkshire Hathaway, talking about world class managers, Ajit Jain and Greg Abel as possible successor to Buffett. And Buffett weighs in on troubles at Burlington Northern Railroad and improving the railway system.