(Rick Scuteri | The Associated Press) U.S. Sen.-elect Kyrsten Sinema, D-Ariz., speaks after being declared the winner over Republican challenger U.S. Rep. Martha McSally, Monday, Nov. 12, 2018, in Scottsdale, Ariz. Sinema won Arizona's open U.S. Senate seat in a race that was among the most closely watched in the nation, beating McSally in the battle to replace GOP Sen. Jeff Flake.