Last May, Deb Fallows wrote an account of a historical coincidence that linked The Atlantic Monthly of 150 years ago with the American Futures project we're doing for The Atlantic these days. In the town of Columbus, Mississippi, part of the "Golden Triangle" of Mississippi we described in more than a dozen posts last year, a few Union soldiers killed at the battle of Shiloh were buried in the local cemetery along with the much larger number of Confederate soldiers.