Joni Ernst Neck-And-Neck With Opponent In Iowa Tossup: Polls

UPDATE: Sen. Joni Ersnt won reelection with 51.8% of the vote, according to The New York Times.

The last polls conducted in Iowa leading into Election Day show a neck-and-neck contest between Sen. Joni Ernst (R-IA) and her opponent, Democrat Theresa Greenfield.