Since coming down with a whopper of a sinus infection nearly five months ago, Skyler Davis hadn’t felt like himself. In his first year on the U.S. Ski Team’s development squad, the 20-year-old tried to shake it. He tried at the U.S. Ski Team’s dryland camp in Lake Placid, N.Y, but he had to leave early to recover at home in Jericho, Vt. Afterward, Davis rallied and put forth the effort needed to earn his...