Chris Weld worked for years in emergency rooms, then ditched that career and bought an old farm in Massachusetts. He set up a distillery and started making prize-winning spirits. When cannabis was legalized, he jumped into that too — and the first few years were lucrative. But now? It turns out that growing, processing, and selling weed is more complicated than it looks. He gave us the grand tour. (Part three of a four-part series.)
