BRATTLEBORO, Vermont (Reuters) - Some have appeared naked in a downtown parking lot. Others rode their bicycles or simply strolled the streets in the nude. Teenagers in the quaint Vermont town of Brattleboro are raising eyebrows this summer with brazen displays of nudity. So far they haven't been arrested or ticketed: public nudity isn't illegal in the town of 13,000 people, unless it's done to arouse sexual gratification. Vermont has a live-and-let-live tradition, allowing skinny-dipping and nude sunbathing. Brattleboro, the first permanent English settlement in the state in 1724, is home to a community of writers, artists and musicians as...