Schieffer, Greenfield On RNC Activities Being Suspended Tomorrow. By Brian Montopoli. August 31, 2008 / 5:26 PM EDT / CBS News (ST. PAUL) ...

(R) Sen. Joni Ernst and (D) Theresa Greenfield are on screens commercial after commercial. KCCI's Chris Gothner took a look at the claims made in some of the advertisements.

This November's race between incumbent Republican Sen. Joni Ernst and Democrat Theresa Greenfield is expected to be one of the most costly in U.S. Senate history. National senatorial campaign ...

Democrat Theresa Greenfield announced her U.S. Senate campaign Monday, saying incumbent Sen. Joni Ernst has failed to live up to the promises she made when she first ran for office in 2014.

Military veterans are calling on Democratic U.S. candidate Theresa Greenfield to take down a television ad they say demeans Sen. Joni Ernst’s 23 years in the Army Reserves and National Guard. In ...