DONALD TRUMP promised to end the wars in the Middle East. Instead America’s president finds himself supervising a new one. No matter: he thinks the conflict between Israel and Iran, now in its fourth day, will be simple to stop. “We can easily get a deal done,” he wrote in a social-media post on June 15th. A few hours later he implied that peace between the two countries, bitter foes since 1979, was merely a matter of convincing them to trade more.
