Iran has taken steps that indicate a slowing down of its nuclear progress like converting enriched uranium into reactor fuel, but it also announced new centrifuges that could hasten uranium enrichment.
The US lauds the 'unified message' sent by the UN's nuclear watchdog expressing 'deep and increasing concern' over the Iran nuclear program. But the resolution lays no groundwork for action.
Experts say the Stuxnet virus has penetrated Iran's Bushehr nuclear plant and may cause a serious disaster if the plant becomes operational.
A former UN nuclear inspector says China is too lax to adequately prevent Iranian buyers from acquiring materials and equipment for nuclear development.
Iran and Russia both lashed out against new EU sanctions imposed on Monday. Despite the row, Tehran officials on Tuesday told the International Atomic Energy Agency that it will resume six-party Iran nuclear talks in September.
Arab nations finally won agreement from the US and the other nuclear powers to take the first step toward banning nuclear weapons from the Middle East. Now, the next move is Israel's.
Iran said it would not be bound by any decision made by the 47 nations at this week's nuclear security summit in Washington. Tehran is preparing to hold its own counter-proliferation summit next weekend.