(Scott Applewhite | The Associated Press) In this Nov. 26, 1991, file photo, President George H.W Bush, right, and William Barr wave after Barr was sworn in as the new Attorney General of the United States at a Justice Department ceremony in Washington. Barr, who served as attorney general under Bush, has emerged as a top contender for that job in President Donald Trump's Cabinet, two people familiar with the president's selection process said Thursday, Dec. 6, 2018.