Iran’s oil minister, Mohsen Paknejad, has resigned and been replaced by the country’s top oil executive, the president’s office says in a statement, amid a blockade on Tehran’s oil exports by the United States. “Following the acceptance of Mohsen Paknejad’s resignation, Hamid Bovard,” the CEO of the National Iranian Oil Company, “has been appointed as acting Minister of Oil by a decree from the president,” says the statement carried by state broadcaster IRIB. In a news bulletin on the minister’s resignation, state television runs an interview with an official from the Iranian presidential office who says Paknejad initially offered his...