Simon gilchrist has been rough sleeping for a fortnight. he lost his flat last year. a hostel place last month. at the heart of both is a long—term drug addiction. people say go and get a job or they don't know about addiction or why people take crack cocaine and heroin and alcohol to sustain the feelings. a military veteran, the 48—year—old doesn't think he'll see 50. if god can take my addiction away and god can say, "look, "i want to put you into this place, here's another go," i would go for that. some of the other people using this service scuttle in, embarrassed, driven here by cos...