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.
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.