A homeless man in Portland who chooses to live on the streets is now offering “homeless survival training” to anyone who wants it. He’s teaching people how to build tiny improvised shelters next to his camp, how to start campfires, and other street-survival skills. When I asked about the city’s no-camping policies, he told me he sees himself as a safety net for anyone falling through the cracks. And to be clear—he’s a kind, well-meaning guy. But the fact that he feels the need to do this at all