In Tennessee, medicine and mercy are on the move

A Pillar Dispatch

The city of Crab Orchard is a couple of streets tucked into a Tennessee hillside, in the shadow of Big Rock Mountain. 

In early May, the Appalachian hills outside town are grassy meadows, bursting with color and life: wildflowers, bumbling honeybees, and darting ruby-throated hummingbirds. Further on, sandstone bluffs jut from dark pine forests on the sl…