Iran : Iranian President tweets on ` ` 1 day of constructive & pragmatic dialogue '' NEW : He criticizes U.S.-led intervention in Syria , yet opens door to ` ` a new atmosphere '' with Iran NEW : Cameron : Rouhani used rhetorical questions to make his case on Twitter , writing , `` Was n't DAESH ( # ISIS ) Despite ` ` severe disagreements , '' Iran could help defeat ISIS . NEW : Prime Minister : If they can help , ` ` we should welcome their help ''
Iran : Iranian President tweets on ` ` 1 day of constructive & pragmatic dialogue '' NEW : He criticizes U.S.-led intervention in Syria , yet opens door to ` ` a new atmosphere '' with Iran NEW : Cameron : Despite ` ` severe disagreements , '' Iran could help defeat ISIS . NEW : Prime Minister : If they can help , ` ` we should welcome their help ''