I harvested a few days with Chiroubles-based natural winemaker Gilles Paris back in 2015. It was a disorienting experience. It was the hottest weekend of a heat-wave year, which did no favors for the ambience inside Paris' windowless white transport vans. I also could rarely discern whose vines we were in. In each new parcel I'd ask, "Are these your vines?" and Paris, shaking his head, would inform me they were those of a neighbor who sold to the cave cooperative, or that they belonged instea...