Meet Japan's horseback archery champion: an Australian English teacher

Imagine mastering an 800-year-old Japanese martial tradition so completely that you become the face of it - all while navigating the complexities of being an outsider. Gregory Stewart, a 59-year-old Australian expat living in Hokkaido, has done exactly that, becoming Japan's reigning champion in yabusame, the ancient art of horseback archery. Rebecca Rosman profiles the athlete in Hokkaido, Japan.