I'd note that about 500,000 of your fellow Kansans voted for Barrack Obama. What would you do with them? Or what about the 4.5 million or so Californians who voted GOP in this last election?
Those wanting to live by “free state” rules stay or they’re free to leave.
Those coming IN to free states, however, must pass some basic civics courses (which would inherently be de facto ideological test because you’d have to understand founding principles).