TEHRAN Iran's top security official said on Tuesday a "guarantee" and "verification" would be needed for Vienna talks to salvage the 2015 nuclear deal, in apparent reference to any US commitments."Verification and providing a guarantee is an integral part of a good deal," the secretary of Iran's Supreme National Security Council, Ali Shamkhani, wrote in a Twitter
Iran's top security official said Tuesday a "guarantee" and "verification" would be needed for Vienna talks to salvage the 2015 nuclear deal, in apparent reference to any US commitments. "Verification and providing a guarantee is an integral part of a good deal," the secretary of Iran's Supreme National Security Council, Ali Shamkhani, wrote in a Twitter post. "Proven American