US architects of original Iran deal say changed world poses challenges for talks

Richard Nephew, a senior research scholar at Columbia University who was involved in negotiating the original nuclear deal, said the odds of an agreement are “much lower” this time around. “I was the only member of the team who was convinced that we were going to get a deal – basically the entire time, I never went below 50 per cent,” Mr Nephew said, explaining that the previous negotiations had the benefit of starting with a clean slate. “We didn't have years of bad blood having built up, but we do now, and particularly with this president, and in particular with an Iranian system that didn't fully believe that we would commit to a deal in the first place.” (Read more at The National)