However, the organization, a touchstone of traditional America, still bars openly gay adults from participating as troop leaders or volunteers. They had come to mark progress - the Boy Scouts of America's breakthrough vote last year to end a decades-old policy of prohibiting openly gay youths from being scouts - and to call for more. Khaki shirts, olive pants and rainbow neckerchiefs: the Boy Scout uniform, pride-style - a uniform that had never been seen on a group of marchers in New York City's pride parade before.