“Two to three weeks” was President Donald Trump’s timetable, delivered from the White House Wednesday night, for ending the war in Iran. And America’s allies, in the Middle East and worldwide, will be fervently hoping he proves right. But a specific threat in his 19-minute address – initially made two weeks ago and promptly matched by Iran – is alarming longtime partners, especially member states of the increasingly strained transatlantic NATO alliance. It’s not just the tone of the tit-for-tat threats, but their declared target: energy and desalination plants across Iran and in U.S.-allied Arab states in the Gulf. Why We Wrote This The Iran war is the latest conflict that has seen blows to the bedrock principles of international law, the rules of war, and the protections for civilian populations put in place after World War II. Could this “age of impunity” be allowed to become a new normal?…