Iran Just Made a Big Mistake. Israel Shouldn’t Follow.

It would be easy to be dazzled by the way Israeli, American and other allied militaries shot down virtually every Iranian drone, cruise missile and ballistic missile launched at Israel on Saturday and conclude that Iran had made its point — retaliating for Israel’s allegedly killing a top Iranian commander operating against Israel from Syria — and now we can call it a day.

That would be a dangerous misreading of what just happened and a huge geopolitical mistake by the West and the world at large.

There now needs...