Running: it's as simple as striding forward just one foot after another, but as author Michael Clinton has learned over more than 40 years as a runner, it's so much more than just exercise. It's a test of physical and mental endurance and a way to connect with the environment, the global community of runners, and, ultimately, yourself. From the streets of Paris, Buenos Aires, all the way to Sydney, Clinton has gone the distance, never forgetting...