Trump Wants You to Get Used to This. Don’t.

Mr. Rhodes, a contributing Opinion writer, was deputy national security adviser when President Barack Obama entered the Iran nuclear deal in 2015.

Authoritarian politics and military aggression are a dangerous mix. As Donald Trump announced his war on Iran wearing a baseball cap in a video released in the middle of the night while he was at Mar-a-Lago on Saturday, that lesson hung heavily over the proceedings. This was a decision made by one man with no legal basis, little public support and no coherent explanation of an endgame.

Within a few months, Mr. Trump has ordered the military to blow up boats in the Caribbean, abduct the leader of Venezuela and decapitate the government of Iran. The........

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