Back in December of 2010, 15-year-old Patrick “Paddy” Caldwell was racing amongst grown men. He finished 17th in an International Ski Federation (FIS) classic sprint held in Craftsbury, Vt. Today, at 23, Caldwell skis for the Stratton Mountain School (SMS) Elite Team and is a newly minted U.S. Ski Team (USST) B-team member. To put things in perspective, during that 2010 Craftsbury sprint, Patrick O’Brien, Caldwell’s current primary coach and head of the SMS Elite Team, was nearly 23...