Every city seems to have its floating population of disaffected youth — school dropouts, occasional workers, drug users, skateboarders, hooligans, street people. How much of a problem is this? What are its dimensions? What are the social causes that influence the size and nature of this population in Detroit, Manchester, Cologne, or Novosibirsk? And are there social programs that can significantly diminish the number of young people who wind up in this category?
