HARRISON, Arkansas—Whether or not you think his policies are explicitly racist, President Donald Trump has brought white nationalism to the fore of the American zeitgeist. Efforts to make white nationalist dogma mainstream, though, didn’t start with Richard Spencer’s repackaging of upper-class racism as a think tank, or Steve Bannon whispering in President Trump’s ear. In the Ozarks, the normalization of white supremacist ideology started decades ago.