Iranian sources familiar with the details of a final agreement scheduled to be announced on Monday said sanctions and an arms embargo against Iran will be lifted and restrictions on its nuclear activity will only be “temporary” in a deal that falls “within the redlines” laid out by Supreme Leader Ali Khamenei, according to Iran’s state-controlled media. As world powers work to secure a final deal, Iranian sources are indicating that the United States has caved on most major issues, including the timing of sanctions relief, the length of the deal, and arms sales to Tehran. Initially, U.S officials had...