Thune calls Ohio race 'ground zero' in 'knife fight' for Senate while rallying with Husted

Senate Majority Leader John Thune, R-S.D., called Ohio "ground zero" for Senate control during a campaign event with Republican nominee Sen. Jon Husted in Lima, Ohio, on Tuesday night.

Following remarks from Centers for Medicare and Medicaid Services Administrator Dr. Mehmet Oz, Thune praised Oz's work in rooting out waste, fraud and abuse while insisting that Republicans must hold a Senate majority to allow Oz to continue his work.

"That only happens if Jon Husted gets elected next Tuesday.