We’ve been here before. Donald Trump says or does something outrageous, and then walks it back slightly. But his message as a would-be authoritarian – or far worse – gets through. The latest iteration was a video shared this week on his Truth Social account that (by featuring would-be headlines) promised a “unified reich” if Trump wins a second term as president. The word “reich”, of course, is closely tied to Adolf Hitler who called his Nazi empire the “Third Reich”. You don’t have to be a student of world history to understand that instantly. Despite the outcry in some...