Our mission in Iran is ‘regime collapse,’ Ambassador Leiter says; ‘regime change’ is up to Iran’s people
Written message contained no new information about leader’s condition
Reports suggest Khamenei's legs were wounded but remains conscious
Mojtaba Khamenei & supporters think he is the 'Khorasani' tasked with conquering Jerusalem & Mecca
Supreme Leader is top political authority, commander of armed forces, judiciary chief and highest Shia Muslim authority
President Trump prefers leader who is on the ground and already popular over Iran's Pahlavi as new leader