Once upon a time not so long ago, Loudoun County, Virginia, was the most conservative county in the Washington, D.C. metro area.

An exurb outside the Beltway with a high-tech corridor rivaling California’s Silicon Valley, plus the Washington Football team’s headquarters and Dulles Airport, Loudoun’s sprawling suburbia is supplanting farmland like super-charged kudzu.

The eastern part is home to more than 100 huge, gray “data centers,” through which more than 70 percent of the world’s Internet traffic flows. … Continue Reading