Commentary WILLS, Pennsylvania—Andrew Ayers is busy working on loading and unloading several machines at Guy Chemical—a massive, 30,000-square-foot industrial facility that sits tucked along the border of a tiny unincorporated town in Somerset County, Pennsylvania. People call Ayers one of the lucky ones for surviving his addiction to both heroin and methamphetamine, but he says luck has nothing to do with it. “The first thing I did was physically extract myself from being exposed to it,” he tells me. “Now, that might sound simple to someone who has never been exposed to it, but if everyone you know is doing some sort of drug, whether it is family or friends or neighbors, that takes a whole new level of moving on.” Two incidents, one big and one small, helped get the 30-year-old on the road to recovery: his father’s overdose a few years ago and a friend who he said …