THERE was more than a hint of trepidation when Donald Trump declared last week that he would not attend his firstborn son’s wedding because he was too caught up in matters of state, including the paused assault against Iran. It wouldn’t be out of character, claimed an American wit, for Trump to invade Cuba as an excuse for avoiding the matrimonial festivities. There was also speculation that the latest Gulf war might resume — which indeed partially occurred on Monday, albeit with no Iranian response until the time of writing, and despite the flurry of diplomatic activity.