Did Missouri pass Medicaid expansion thanks to its rural counties — or in spite of them?

And can the answer tell us anything about Democrats’ electoral fortunes in the state moving forward?

On Tuesday night, Missouri became the latest state in which voters expanded Medicaid under the Affordable Care Act after their Republican-controlled state government refused to do so. For those who follow Missouri politics, the map at the end of the night showing support versus opposition to the measure — Amendment 2…