FILE - In this Oct. 25, 2005 file photo, a Burlington Northern Santa Fe trains waits to leave the rail yard near Fort Worth, Texas. Warren Buffett's Berkshire Hathaway Inc. said Monday, Dec. 7, 2009, that the Federal Trade Commission ended a review of its proposed $26.3 billion acquisition of railroad operator Burlington Northern Santa Fe Corp., moving the deal a step closer to completion.
(AP Photo/Donna McWilliam, File)