Iran denied on Saturday that it had reached an agreement with the United States to ship its surplus enriched uranium to Russia under new concessions aimed at clinching a comprehensive nuclear deal with six world powers. The Associated Press, citing diplomats, said on Friday Tehran and Washington had tentatively agreed on a formula to ship to Russia much of the material that could potentially lead to manufacture of atomic arms by the Islamic republic. It said negotiators had drawn up a catalogue for the first time at their December meeting in Geneva outlining areas of potential accord and differences in their 12-year nuclear dispute. Iran’s foreign ministry spokeswoman Marzieh Afkham said “no agreement on any nuclear topic” had been reached. “Such news is spread out of political motives and its goal is to tarnish the climate of the talks and make it more complicated to reach […]