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Ahmadinejad offered to calm the situation in Iraq, using the three days attacks-free visit to Iraq as a demonstration of what can Iran do, the second
offer is to accept the long term Iraqi – American agreement

Interesting, because the silence from Irans visit has been almost total in MSM. Also no real speculations that why Cheney and McCain visit the country
right after. Of course there was a great diplomatic reasons to them to take the risk.
Now situation has gone from bad to worst, after their visit, and Sadr is no longer a great ally, witch he has been for last 6 months. Rhetoric against
Iran has raised again, "even Hezbollah have been suddenly in the country!"
So, did they make the deal? Seems that not.