US President Donald Trump said he wanted to be personally involved in selecting Iran’s new supreme leader, following the killing of Ayatollah Ali Khamenei, whose son he called an “unacceptable” option. “We want someone that will bring harmony and peace to Iran,” he told Axios on Thursday, adding that he thought the Ayatollah’s son Mojtaba Khamenei was a “lightweight”. “I have to be involved in the appointment, like with Delcy,” he said, referring to Venezuela’s interim president Delcy Rodríguez,...