Can We Grab Just a Few Counties From SE Missou?

Soona: "TX and OK need to start the process of secession very soon. It's the only way freedom will survive. (And TX needs to de-annex Austin in the process.)"

Can we grab just a few counties from SE Missou? Brother lives over there. And maybe Caney, KS. It's a nice little border town.

Sealing the border with Colorado and New Mexico could be tricky.