FILE - In this Sept. 28, 1984, file photo, U.S. President Ronald Reagan signs S. 2155, the Utah Wilderness Act of 1984 in the White House Oval Office in Washington as Utah Senator Orrin Hatch looks on. Hatch is ending his tenure as the longest-serving Republican senator in history, Thursday, Jan. 3, 2019, capping a unique career that positioned him as one of the most prominent conservative voices in the United States. (AP Photo/Barry Thumma, File)