Mark Cohen, a karate instructor in Ogallala, announced his candidacy as an independent. On his campaign website, he says he will fight for policies to make billionaires pay their fair share in taxes and work to fund rural healthcare. Cohen is the third candidate to announce a run against 10-term incumbent Republican Adrian Smith. David Huebner, a former U.S. Border Patrol Agent from North Platte is the only other Republican candidate. On the Democratic side of the ticket, Becky Stille, from South Sioux City, has also announced her run.