July 11, 2016 On May 10, somewhere deep on the Appalachian Trail, Tom Poirier celebrated 30 years of sobriety all by himself. It was perhaps the perfect irony that on that momentous spring day he found himself acknowledging the vanquishing of one challenge in the place where he was attempting to embrace another. For Poirier, trekking the Appalachian Trail had found a place in his psyche for decades, an opportunity that haunted and dared him.