Coal unions have executed non-union shippers and started shootouts during union strikes where I'm from, back in the 30's - 70's when the town was a coal town. I

Coal unions have executed non-union shippers and started shootouts during union strikes where I'm from, back in the 30's - 70's when the town was a coal town. It's anecdotal I know, but it always colors the discussion of unions in places like Appalachia. Also the violence has gone both ways, the government at one time wasn't above plying the strong arm of the national guard against unions.