FILE - In this Dec. 7, 2019, file photo, Las Vegas Sands Corporation Chief Executive Sheldon Adelson sits onstage before President Donald Trump speaks at the Israeli American Council National Summit in Hollywood, Fla. One of the most influential Republican megadonors, Adelson, died Jan. 11, 2021. That puts more pressure on the NRSC and the leading Senate Republican outside group, Senate Leadership Fund, to cover the difference. (AP Photo/Patrick Semansky, File) SATURDAY, DEC. 7, 2019 FILE PHOTO