Say what you will about Matt Gaetz, but at least he didn’t know anything about running the Department of Justice. This is a snarky way of stating what was the implicit case for the former Florida congressman as attorney general. For President-elect Trump, the appeal of his most controversial nominees, with Tulsi Gabbard and Robert Kennedy Jr. now topping the list after Gaetz’s welcome exit, is that they are totally at odds with the institutions that they want to run — it’s not just...