In the good old days, say, 1870 or so, if you behaved yourself, you were welcome in town. If not, you would be cast out into the wilderness until you learned your lesson. But in 2015, wilderness is regulated worldwide -- you can't just camp forever in the mountains like a hermit. If you don't play by society's rules, there's only one place left for you to live free: on the streets of our bigger cities.