FILE PHOTO – Berkshire Hathaway CEO Warren Buffett plays bridge during the Berkshire annual meeting weekend in Omaha, Nebraska, U.S. on May 3, 2015.REUTERS/Rick Wilking/File Photo
FILE PHOTO – Berkshire Hathaway CEO Warren Buffett plays bridge during the Berkshire annual meeting weekend in Omaha, Nebraska, U.S. on May 3, 2015.REUTERS/Rick Wilking/File Photo