For some folks, the occasional vicarious look at people who “live on the margins” is enough. You know the type — they’re fascinated by reality-show train wrecks and Cops reruns and what have you, but really, they’re pretty happy to leave all that behind after 30 minutes or an hour and take the kids to soccer practice or go to the PTA meeting or do whatever it is that suburbanites generally do. Sounds kinda dull to me, but hey, if it’s working for them, more power to ’em.

Some of us, however, are wired a bit differently. “On the margins” won’t do for us when stories about people who live well beyond them are at our disposal. We dig flicks like Harmony Korine’s Gummo and Buddy Giovinazzo’s Combat Shock and Gus Van Sant’s Drugstore Cowboy. We know that there are millions of people who are forced to eke out…