Prager really should have primaried him.
I'm crossing my fingers for William Kassebaum(R) or Joshua Svaty(D) to run against him next time.
William Kassebaum is virtually unknown at this point. minus the family name. His political experience is limited to a short time in the KS House. The most notable thing he's done recently was being Davis' treasurer.
Also, while Svaty would be a good candidate for office, I don't think running for governor would be a good idea. Maybe run for KS-1 to get more name recognition in 2016 and then governor in 2018 if he runs next year. However, rumor has it that Paul Davis will run again, so there's that...