There’s something poignant about this folk etymology, in which the Midwest is a kind of abandoned frontier. You picture the whole region as a sort of once-shiny new mall marooned by suburban sprawl, left to crumble, only a few years after opening, in a no-longer-vital part of town. Such an image might help explain the sense of disappointment that grips so many of us here, the nostalgia for a moment that we can’t quite pinpoint, the feeling not that things once were definitely better, but that they were once understood to be on the verge, at least, of getting better. A place that almost happened;