DoperSadly, but not surprisingly, another overperforming Russian, Alena Sidko, has been caught hitting the erythropoetin. Via Skierpost:The Russian cross country skier Alena Sidko was tested positive for EPO and is therefore not appropriate for the Russian Olympic team… Sidko, with a bronze from the sprint relay in the 2005 World Championships and 2006 Olympics, tested positve for EPO during