The difference between Donald Trump and Barack Obama amounts only to whatever difference may exist between each emperor’s set of cronies.The Obama years have brought America to the brink of transformation from constitutional republic into an empire ruled by secret deals promulgated by edicts. Civics classes used to teach: “Congress makes the laws, the president carries them out, judges decide controversies, and we citizens may be penalized only by a jury of our peers.” Nobody believes that anymore, because no part of it has been true for a long time. Barack Obama stopped pretending that it is. During the twentieth...