Iran's supreme leader gone, but opposition still at war with itself

US President Donald Trump urged Iranians to rise up and "take over your government" as he launched "Operation Epic Fury", but his administration has since sent mixed signals about whether regime change is Washington's goal. Many Iranians have celebrated the killing of Islamic republic leaders but are divided over who should replace them, and the authorities are racing to name a new supreme leader as state media highlights pro-government demonstrations in some cities. "To date, no opposition leader...