Covering doping in sports like biathlon and cross-country skiing here in North America can make one feel self-rightous. The U.S. and Canada run clean systems if positive doping tests are the benchmark for suspicion. As far as we can tell, there’s been a single case involving a North American nordic sport athlete. In 1987, an American caused a stir after the 1987 Nordic World Championships in Oberstdorf, Germany. Kerry Lynch, a nordic combined skier, admitted...