FILE PHOTO: Allen and Co. Sun Valley Media Conference in by Reuters November 21, 2022 By: Reuters November 21, 2022 3 FILE PHOTO: Berkshire Hathaway CEO Warren Buffett, arrives to attend the annual Allen and Co. Sun Valley Media Conference in Sun Valley, Idaho, U.S., July 5, 2022. REUTERS/Brendan McDermid Share 0 FacebookTwitterPinterestEmail Reuters