Many Americans are shocked at how quickly the Trump administration seems to have regressed from one that prioritized diplomacy to one that’s itching to drop bombs on a foreign country half a world away. In many ways, Donald Trump is unlike any president in recent memory. During his first term, he presided over one of the most peaceful four years in a long time — relatively speaking, of course. The most glaring accomplishment, if non-actions can be categorized as such, was that he did not catapult the United States into a new, drawn-out war. This is a low bar, but...