新闻速递 美国和伊朗正通过中间人进行谈判，但双方在协议应包含的内容上存在重大分歧。华盛顿计划继续对德黑兰施加经济压力，但半岛电视台的艾伦·费舍尔表示，在中期选举前不太可能取得任何外交突破。
NewsFeed The US and Iran are talking through mediators, but there are major differences over what a deal should look like. Washington plans to keep up economic pressure on Tehran, but Al Jazeera’s Alan Fisher says any diplomatic breakthrough is unlikely before the midterm elections.