[snip]Washington area residents share a reverence for the same snaking river, get snarled in the same inching traffic, sweat in the same soggy air and enjoy the same upsides, annoyances and dangers that come with the seat of American power. [snip] But a dust-up over the right place to host a Major League Baseball team -- the nation's capital city or the country's fastest-growing county, 20 miles west -- is pitting area residents and officials against one another in a way that reopens old city vs. suburb debates.[snip]