At first, the US said, the new push for sanctions on Iran was a rebuff of a fuel swap deal. But now, it says, both the sanctions and the deal should try to address the Iran nuclear program.
Israel says that Iran nuclear sanctions proposed to the UN Security Council are weaker than it would like, but the symbolism of international unity is important.
While the US has continued to press for UN Security Council sanctions on Iran over its nuclear program, Turkey's high-profile role in brokering a nuclear deal with Tehran is just the latest sign of an emerging diplomatic power.
The five permanent members of the UN Security Council favor a fourth round of sanctions over the Iran nuclear program. It's seen as a response to Monday's nuclear fuel swap deal.
A day after Turkey and Brazil announced an Iran nuclear fuel swap, the US says it has secured the support of all five permanent UN Security Council members – including Russia and China – for Iran sanctions.
Brazilian President Luiz Inácio Lula da Silva's brokering of the Iran nuclear fuel swap deal appears to show that mid-level players can have a say in the biggest issues of the day. But if the deal ultimately fails, it could come at a cost to his prestige.
The Iran nuclear fuel swap was brokered by Turkey and Brazil. Even if it falls through, it indicates that countries like the US can no longer expect quiet compliance from rising powers.
Iran continues to amass more and more low-enriched uranium. So the context in which an Iran nuclear fuel swap would take place is very different today than it was only a few months ago.