The Associated Press reports: Iran and the United States have tentatively agreed on a formula that Washington hopes will reduce Tehran’s ability to make nuclear arms by committing it to ship to Russia much of the material needed for such weapons, diplomats say.

In another sign of progress, two diplomats told Associated Press that negotiators at the December round of nuclear talks drew up for the first time a catalogue outlining areas of potential accord and differing approaches to remaining disputes.

The diplomats said differences still dominate ahead of the next round of Iran six-power talks on 15 January in Geneva. But they suggested that even agreement to create a to-do list would have been difficult previously because of wide gaps between the sides. [Continue reading…]