Time running out to reach Iran nuclear deal, warn experts

Letter signed by former diplomats says Iran close to developing nuclear weapons capabilityLeading former diplomats including seven ex-UK foreign and defence ministers have warned the Iran nuclear talks are heading to “corrosive stalemate devolving into a cycle of increased nuclear tension” and urged Tehran and Washington to show more flexibility.Year-long talks in Vienna on reviving the deal and for the US, which was pulled out of the agreement by Donald Trump, to lift sanctions on I