SOMETIMES you find amazing things in faraway places accessible only by cameratoting explorers in deep-water vessels; sometimes you find them just down the road. My buddy Gerry lives down the road. He runs every day. By that I mean he literally runs every single day without skipping for any reason, ever. He has laced up and headed outside to run through hurricanes, blizzards, lightning storms, ice storms, heat waves, hangovers, flus, fevers, sprains, tears, broken toes, broken fingers, broken ribs, and every imaginable family and professional obligation for the past 21 years. Minimum valid distance in emergencies is one mile—for example, a transcontinental flight to Beijing that crossed the international dateline, when he had to run his mile through the airport in dress shoes; a vacation with friends on a…