When Justyna Kowalczyk stood at the head of the chevron before the 10 k pursuit Friday morning in Rybinsk, Russia, she must have felt a little bit lonely. That’s because no less than 20 of the top 30 women in the current overall World Cup rankings were missing. Kowalczyk’s biggest rival, Marit Bjoergen (NOR) opted to take the weekend off, as did fourth ranked Petra Majdic (SLO), and 6th through 9th, Therese Johaug (NOR), Charlotte...