Russian athletes are the most doped up in the world. In 2013 they racked up 225 violations for banned substances, almost 12 percent of all violations globally (compared to the United States’ 43 violations, or two percent.) But no one suspected the sheer pervasiveness of the problem until yesterday, when the World Anti-Doping Agency released a report implicating Russian coaches, trainers, doctors, officials and authorities in a systematic, government-sanctioned doping conspiracy. It’s possibly the largest doping scandal ever to rock athletic competition.