Commentators keep mentioning Russian athletes, but weren't they banned? And who is this Team OAR that keeps cropping up and winning medals? What's the deal? While it's a bit unusual, a move like this isn't unprecedented. But there hasn't really been a situation like before, with so many athletes competing under the Olympic flag, and all from a country that's usually a big-time competitor at the Games. How did we get to this point? The TL;DR of it is doping.