Since the tail end of the 2011 Tour de Ski, Russia’s star distance skier, Alexander Legkov, has been missing in action. He fell ill with swine flu and couldn’t finish the Tour, then, with an abysmal performance in the relay at World Championships in Oslo, singlehandedly dashed his country’s hopes for a medal in that event. While the relay result stung, Legkov’s drought has been balanced by some strong performances by his teammates. There’s Maxim...