ZHANGJIAKOU, China — Canada added two gold medals and a bronze in cross-country skiing at the Beijing Paralympics on Sunday. Brian McKeever easily defended his title in the men’s 20-kilometre cross-country vision-impaired race. It was the 14th gold medal and 18th medal overall in the Paralympics for the 42-year-old from Calgary. McKeever, in his sixth and final Paralympics, was the three-time defending champion in his event and a clear favourite heading into the long-distance race. He crossed the finish line in 55 minutes and 36.7 seconds, more than three minutes ahead of Jake Adicoff of the United States in second. Zebastian Modin of Sweden took home the bronze. Russell Kennedy and Graham Nishikawa were McKeever’s guides. The last time McKeever failed to top the podium in the 20km cross-country event was in 2006 when he won silver. Pair of Canadians medal in women’s 15km standing race In the women’s 15km race, Natalie Wilkie of Canmore, Alta., crossed the finish line in 48:04...