Sandra Naeslund of Sweden has grabbed an Olympic gold medal, winning the ski cross at the Beijing Games on Thursday in a race that saw the original third place finisher off the podium. Naeslund, the reigning world champion, prevailed at the Genting Snow Park, beating Marielle Thompson of Canada who took silver. Naeslund who finished just off the podium in the 2018 Games, led throughout the race. It was a nervous wait for the competitors at the finish line, with the run immediately placed under review for intentional contact. While Fanny Smith of Switzerland was third across the line but German…