From this Forbes data visualization on county-to-county migration within the U.S., it would appear that in 2008, the District metro area was a net importer of northerners and a net exporter to the south. You may not be able to tell it from the image I downsized to fit the page, but look on the map proper and you will see a thin but unmistakable red ray -- like a bright band on a coral snake -- between the District and New York City. So this map doesn't quite upend the conventional Brookland-to-Brooklyn trajectory. more ›

For the most part, Forbes' latest billionaire list is a who's who of New York's hedge fund managers and the West Coast's tech giants, with a few oil barons and other old-money types sprinkled in for good measure. But the D.C. area is actually home to two of the 25 richest Americans, and six of the 10 richest counties. more ›

10. Rochester, New YorkThe presence of such illustrious locales at Boise and Buffalo seems to indicate that at least part of the results show that people in cities with not a lot going on may get busy more often than those who have more nightlife options. Then again, Seattle, Portland and of course we'd argue D.C. are all pretty happening places. Maybe we're just having safer sex than people in other major cities? Has everyone in Chicago stopped using condoms for some reason? This latest Forbes list baffles just a little. more ›