http://news.bbc.co.uk/1/hi/world/7958862.stm
But anticipation also hovers over another policy realm - nuclear security and the chance of a thaw in US-Iranian relations.
The focus is on President Barack Obama and the policy review he has ordered. Although Tehran insists its nuclear aims are peaceful, the US and its partners suspect a secret plan to develop nuclear weapons - with the potential to shake the Middle East and reawaken a global nuclear arms race.
