Before this winter, very few ski fans would have recognized the name Ronny Andre Hafsaas. The 24-year-old Norwegian had competed in just a single cross country World Cup in Switzerland, finishing in 36th place. But for the past two years, Hafsaas has been quietly collecting top-tens on the international biathlon circuit, and today, he stamped his authority on the first race of the World Cup season in Beitostolen. Hafsaas beat all of the favorites in the...