It looks like the Kansas congressional delegation is moving to the right. It won’t be easy. Kevin Yoder, Lynn Jenkins, Mike Pompeo and Tim Huelskamp, Republicans all, are already thought to comprise the most conservative delegation in the nation. But observers from both parties said last week that the potential of tea party primary challenges, coupled with ambition and conviction, may have led the four to conclude it’s impossible to be too conservative in 2014 Kansas. “That’s exactly what they think,” said Bob Beatty, political science professor at Washburn University in Topeka. “In Kansas, there’s less and less fighting between...