By Jenny Ward AngyalGibsonville, North Carolina, USA No cougars are supposed to roam the Appalachian mountains. They’re supposed to be extinct here, killed off or driven out by logging half a century ago. And yet . . . here and there a single footprint lingers in damp earth, a wisp of hair clings to rusted wire, a blurred snapshot betrays the image of a ghost-cat slipping through shadows. And once, echoing down the mountainside where I stumbled mile after mile over rain-slicked rocks in gathering dusk—once, a long, unearthly scream to pierce the heart. I utter a prayer into the darknessthat enfolds me—may…