What happened: John Cauthorn defeated Mike Becker in the Republican primary 601 to 488, or 55.19 percent to 44.81 percent.
"I feel pretty good about this race. We never said one bad word about our opponent, so I think we ran a nice clean race and we worked on issues, and that's the way we're going carry on."
— John Cauthorn
On Nov. 2: Cauthorn faces Democrat Kelly Schultz, who was unopposed in the primary. The two will compete for the seat being vacated by Republican Steve Hobbs.
Issues: Cauthorn said that creating jobs in the private sector his No. 1 priority. He also wants more viable, renewable energy to be produced in the U.S. rather than overseas and promoted Missouri's state sovereignty against federal government.
Becker said he was running as a champion for businesses. He opposed higher taxes on businesses, supported ways to help more businesses succeed and called for raising the moral and ethical standards for government officials to restore public trust.
For more information, visit the Missourian's voters guide profiles for the candidates: