CNN  —  Yared Nuguse never dreamed of being a professional runner, let alone an Olympic medalist. Aged 14, his sporting achievements amounted to a spot on the high school bowls team, while his modest career plans involved becoming a dentist. But life has a funny way of taking unlikely turns, our hidden talents unearthed in places we never expect. For a teenage Nuguse, “scrawny” and with little care for sports, the idea that he would one day become an elite middle-distance athlete – and among