Conservative critics of government are “freaks,” are “in for a pretty rough ride,” and “will need their Kevlar,” i.e., bullet-proof vests. These statements didn’t come from the Obama administration or some radical leftwing organization. They are Facebook posts of a Republican elected official in Virginia’s Fauquier County. Fauquier drew national attention in 2012 for charging farmer Martha Boneta with violating the law by having a birthday party for eight little girls without a permit and zoning site plan. The highly charged posts of county supervisor Holder Trumbo came shortly after two recent events, and are emblematic of the civil war...