What does it really mean to be patriotic?

Patriotism has been on a lot of people’s minds lately. French President Emanuel Macron recently criticized President Trump and other world leaders for their “us versus them” view of patriotism. “By putting our own interests first,” he said, “with no regard for others, we erase the very thing that a nation holds dearest, and the thing that keeps it alive: its moral values.”

Meanwhile, just ahead of...