The United States is closer than ever to admitting its failure in reviving the 2015 nuclear deal with Iran, Israeli media reported on Tuesday. “US administration officials are closer than ever to admitting defeat on US President Joe Biden’s goal to return to the 2015 deal,” The Times of Israel said, citing previous reports from Israel Hayom and the Israeli state-owned Kan broadcaster. The news came despite positive signs in previous months that Iran and world powers were inching closer to an agreement. The main hurdle reportedly lies in Iran’s insistence that Washington remove its Islamic Revo…