OPINION: Trump and Iran May Be on a Collision Course, and It Could Get Scarier

They’ve behaved recklessly and given themselves no face-saving escapes.

Another Middle East war is the last thing we need.

Iran shot down an American drone on Thursday, in the latest sign that President Trump and Iran’s supreme leader, Ayatollah Ali Khamenei, may be on a collision course. Both say they don’t want a war but each feeds off the other, and both have behaved recklessly in ways that increase the risk of conflict.

So, whatever the outcome of this immediate crisis over the shooting down of the drone (in which...