find the drinks he craved. Any grocery store or roadside kiosk had just what he was looking for. Perfume, brake fluid, de-icer, methylated spirits, toilet cleaner, nail varnish remover: “I drank them all”, says Kuznetsov, who is 53 years old. “Everything that burns.” Like many Russian alcoholics, the former laser specialist from a top Moscow physics institute slithered into his darkest drinking...