Fischer's campaign did not say which communities are in the old video, but the new ad shows Omaha and Lincoln.READ MORE: Nebraska senate candidates fight for farmer's votes as race heats upHer ...

LINCOLN, Neb. – U.S. Sen. Deb Fischer notched an easy Republican primary victory on Tuesday despite challenges from four GOP candidates who sought to take her seat in deep-red Nebraska.

Fischer says she has been working to secure funding for an ARS facility that’s focused on innovative precision agriculture research that is co-located at the University of Nebraska-Lincoln.