In this May 5, 2014, file photo, Berkshire Hathaway Chairman and CEO Warren Buffett speaks during an interview with Liz Claman on the Fox Business Network in Omaha, Neb. Buffett's Berkshire Hathaway is buying Precision Castparts Corp. for approximately $32.36 billion, the company announced, Monday, Aug. 10, 2015. (AP Photo/Nati Harnik, File)