During his presidency, Donald Trump said, “We’re putting America first … we’re taking care of ourselves for a change,” and then declared, “I’m a nationalist.” In another speech, he stated that under his watch, the United States had “embrace[d] the doctrine of patriotism.” Trump is now running for president again. When he announced his candidacy, he stated that he “need[s] every patriot on board because this is not just a campaign, this is a quest to save our country.” One week later he dined in Mar-a-Lago with Nick Fuentes, a self-described nationalist who’s been banned from Facebook, Instagram, Twitter, YouTube...