Going into Sunday’s women’s 4 x 6 k relay, there had been plenty of excitement already in this year’s biathlon World Championships. What could top Emil Hegle Svendsen’s furious attack in the last few hundred meters of the previous day’s mass start? Or how could there be a performance more dominating than Helena Ekholm’s two-minute victory in the individual race? Well. The fans in Khanty-Mansiysk didn’t realize it, but they were about to see something...