An Iran Agreement Honored Only in the Breach

The U.S.-Iran war was supposed to be over when President Trump signed a memorandum of understanding last month at a dinner table in the Lower Gallery of Versailles. But Trump has a famously flexible definition of what constitutes a binding contract, Iran feels that it has little to lose from further hostilities, and the two nations have essentially remained at war ever since. The agreement was designed to make permanent a cease-fire and to usher in a negotiating period of up to 60 days to…