Mattias Falkbage

In Swedish racing, there's a new tool being used to catch drug cheats, one with four legs and a wet nose. A 2 1/2-year-old Giant Schnauzer named Lykke (Swedish for happiness) has been put to work by the Swedish Trotting Association (ST) as part of its efforts to wipe out cheating. Lykke is able to detect the presence of illegal substances in a horse by smelling their urine. "It is impossible to say how common doping would be in Swedish trotting, but it would be naive of me to think...