CHICAGO — Inside a rec room at the Logan Correctional Center in downstate Illinois, a projector screen leaned slightly forward but was upright enough as an audience gathered in front of it to watch a film. A large speaker on the floor would provide sufficient if not perfect sound. And as the sun set, staff quickly created makeshift curtains to darken the room. Given the limitations of a prison, the showing of “And So I Stayed,” was, as the filmmaker would say later, not the best technical presentation. But it was by far the most meaningful. The film — which documents efforts to pass a law in N…
