Joni Ernst Wins Reelection in Key US Senate Race

Sen. Joni Ernst (R-Iowa) speaks to members of the media after the weekly Senate Republican Policy Luncheon at Hart Senate Office Building on Capitol Hill in Washington on Sept. 9, 2020. Alex Wong/Getty Images

Republican Sen. Joni Ernst (R-Iowa) has won a second term, defeating Democratic challenger Theresa Greenfield in Iowa.

The Associated Press called the race at 12:40 a.m. on Wednesday.