Prior to a 12-day war between Iran and Israel in June, Tehran and Washington held five rounds of nuclear talks but faced major stumbling blocks. UNITED NATIONS: Tehran and Washington signalled a possible softening in nuclear tensions on Wednesday (Sep 24), with Iran insisting it has no ambitions to build nuclear weapons and the US expressing readiness to resume talks aimed at resolving the long-standing standoff . A few hours after Iranian President Masoud Pezeshkian told the UN General