The regime may now have to meet Trump’s demands merely to save itself. And he needs a coherent plan to deal with what he has unleashedThe coordinated strikes on Iran launched by the United States and Israel in the early hours of Saturday morning formally reignited a conflict that had been simmering since last summer’s 12-day war. They targeted key command structures and killed senior figures, most notably Iran’s supreme leader Ali Khamenei, who had been in power since 1989. Trump marked his demise with a post saying “one of the most evil people in history” was dead, adding: “This is not only justice for the people of Iran, but for all Great Americans.”Israel has also published reports claiming that Mohammad Pakpour, commander of the Islamic Revolutionary Guard Corps (IRGC), defence minister Aziz Nasirzadeh and Admiral Ali Shamkhani, head of the defence council, have also been killed. In response, Iranian forces have fired missiles and drones at Israel, at US bases in the Gulf, Iraq and...