According to a recent article in Vox, conservatives who denounce government overreach aren’t really concerned about burdensome regulations. No—it turns out the “language of small government” is really just “a handmaiden to ethno-nationalism.” Proof? The author, David Roberts, points to a 2016 New York Times story that depicted a few white men in rural America venting their anger over regulations against “coal rolling”—the practice of modifying diesel truck engines to spew thick black smoke. Apparently, being a blue-collar white man who likes spewing black smoke into the air makes you a white nationalist. And apparently, spewing black smoke into the...