Senator Joni Ernst will make a stop in Knoxville today. Senator Ernst will be speaking at the National Sprint Car Hall of Fame & Museum as part of the Marion County Republican Central Committees’ Summer Fundraiser. The fundraiser will begin at 6 pm with Senator Ernst scheduled to speak at 7:15 pm. Anyone interested in attending the fundraiser can purchase tickets by contacting Mary Spurgeon with the committee at or by phone at 641.218.0145.