On-Air :U.S and Iran talk today

Update: Ros in Portland and Lyse Doucet in Tehran co-presenting the programme

Is something changing in Iran ?

Since a series of TV debates, the election campaign has burst into life.

Our BBC correspondents in Tehran say the outcome will be close, but it’s just possible that hardline President Ahmedinijad could be defeated by a “reformer” Mir Hossein Mousavi (pictured with his wife Zara Rahnavard).