The expected announcement of a potential US-Iran agreement has been delayed partly because of the difficulty of communicating with Iran’s Supreme Leader

Officials at the highest levels of the Iranian government say they don't know where Mojtaba Khamenei is and have no way to contact him directly, relying instead on a network of…

Officials said the difficulty in reaching Khamenei “means there can be a long delay before the U.S. receives a response” after it sends proposed details.