An election worker holds an American flag at a polling place at Galleria At Sunset in Henderson, Nevada on Nov. 8. Mario Tama/Getty Images hide caption
ranked-choice voting ranked-choice voting
An election worker holds an American flag at a polling place at Galleria At Sunset in Henderson, Nevada on Nov. 8. Mario Tama/Getty Images hide caption
Republican U.S. Sen. Susan Collins (left) of Maine faces a tough challenge from Democratic Maine House Speaker Sara Gideon. Robert F. Bukaty/AP hide caption