Sixteen years have passed since Steven Sherrill first introduced us to “M,” the selfsame Minotaur from Greek mythology, transplanted to the modern American South, in the critically acclaimed The Minotaur Takes a Cigarette Break. M has moved north now, from a life of kitchens and trailer parks, to that of Civil War re-enactor at a run-down living history park in the dying blue-collar rustbelt of central Pennsylvania.