Despite his circuitous path to equestrian's highest stage, Japanese rider Yusuke Nakajima remains motivated by the heartbreak of losing a beloved horse early in his career.The 37-year-old started riding in his early teens and was still only a high school junior when the sudden death of his horse set in motion a lifelong passion for equestrian.After sustaining an injury while being transported, the animal suffered a post-operative bone fracture that left euthanasia as the only option."I couldn't accept reality. I didn't want any other horse to go through what mine did. I promised myself I'd …READ FULL ARTICLE