This past month the Washington Post ran an article about a literal sign of the times.
The story turned on Cox Farms, a family operation and local institution located just south of Dulles Airport, which has long had the very American habit of posting political nostrums on their roadside sign. In the case of the Coxes—self-described hippies who have been there since 1972, when Northern Virginia was a different place, politically speaking, than it is today—the postings have always had a slightly pixie-ish quality, recently promoting socially liberal causes such as gay rights and pro-immigration messages.
But the motive for…