Despite frantic, overnight negotiations, peace talks between Iran and the United States have broken down. The two sides had no shortage of disputes to settle, and so it was always going to be hard for them to forge a permanent settlement to their war. But one issue, above all, appears to be responsible for the failure: Iran’s nuclear energy program. “The meeting went well, most points were agreed to,” U.S. President Donald Trump wrote on social media. “But the only point that really mattered, NUCLEAR, was not.”
