As a historian who sometimes teaches about Europe in the nineteenth and twentieth centuries, I have to give Trump credit for one thing: His constant upending of the broad political consensus that emerged after World War II and the Cold War means that basic historical terms are constantly making it into the news and national discourse as quasi new problems, new questions. As upsetting as these times are, as abhorrent as Trump is, it is hard to deny the value of Ron Elving’s reaction to the president’s recent statement about being a nationalist: “We are about to have a national conversation about the word nationalist.” And Elving wants to offer nuances to the term’s meanings in past and present—well, as much as anyone can in some 1,100 words. See the whole article at NPR.