TOPSHOTS EU foreign policy chief Catherine Ashton (L) and Iranian Foreign Minister Mohammad Javad Zarif speak after a final press conference closing third days of talks on Iran's nuclear programme, on November 10, 2013 in Geneva. Iranian Foreign Minister Mohammad Javad Zarif said Sunday he was not disappointed that he failed to clinch a long-sought deal with world powers over Tehran's disputed nuclear programme. AFP PHOTO / FABRICE COFFRINI