Carl Bennett started walking with blue trudging past Wendy Sedgewick's house in Wiltshire, one freezing Sunday afternoon hitchhiking back to college 100 miles away. You could do that then, just about. It was starting to snow and a seagull was circling in the grey sky and he didn't want to go. He did though. But in some ways of course he never did, the way some people never do, still walking past warm houses years on, still walking with blue jeans and dove grey sweater. After cooking crepes in a converted stagecoach in Aspen, interrupting an Israeli Defence Forces ambush, doing a degree in Soci...