Twelve years ago, a British guy began running marathons as a way to cope with the grief over his wife's death. He was 89 at the time, and he's run eight marathons since then. And since he's a Sikh, his nickname is the "turbaned tornado." Now he's 101 . . . and will run the Hong Kong Marathon this weekend, just five weeks before his 102nd birthday. He says it will be his last marathon.