In their own quiet way, cross-country skiers are every bit as fanatic as their downhill skiing kinfolk. At this time of year, the X-C crowd (and I’m one of them) has the gear ready and everyone is waiting for snow. In a great year, we get to burn off some Thanksgiving calories with a brisk session on skinny skis on Black Friday. In a bad year, we’re still waiting for Santa to bring us enough snow to slide on. In a really bad year, New Year’s Day is celebrated with a hangover instead of a ski excursion….