Meet the candidate: Jack Heidel for Senate
Jack Heidel, a retired University of Nebraska at Omaha math professor, is one of the republicans running for Nebraska's Senate seat.
Heidel faces fellow republicans Senator Deb Fischer, Dennis Macek, Jeffrey Stein and Todd Watson in the primary.
Frank Svoboda, Jane Raybould, Larry Martin and Chris Janicek are the democrats in the race.
Jim Schultz is the lone libertarian.