Professional snowboarder Sophie Hediger was killed in an avalanche while snowboarding in her native Switzerland on Monday. The 26-year-old competed as part of the Swiss national team in the 2022 Olympics in Beijing and was a known figure on the international snowboard racing circuit. "The tragic death of Sophie Hediger has cast a dark shadow over the Christmas holidays. We are immeasurably sad," Walter Reusser, CEO of Swiss-Ski, Switzerland's ski federation, said in an online statement posted Tuesday. The incident resulting in Hediger's death occurred when she and a companion had gone snowboarding in the town of Arosa, in the...