Are the battle lines being redrawn in Iraq?

Just today, we have the Iranians publicly supporting the Maliki government in their crackdown on the Mahdi and the Sunnis making noises that they're willing to end their boycott and possibly reenter the Maliki government.

On the other side, we have second hand reports that

But al-Sadr — who has been in the Iranian seminary city of Qom for the past year — is seriously considering tearing up the truce and disassociating himself from his political bloc in parliament, according to loyalists and Shiite politicians interviewed by the AP over the past two weeks.

Then al-Sadr would be free to unleash Mahdi attacks on U.S. and Iraqi forces, the political insiders said.

Now, I don't know which, if any, of these are true or will come to pass, and I'm not convinced that this is as clear cut as I'm making it sound, but there does seem to be a fair amount of flux in the Iraqi politics right now. Maliki threw the government Sadr conflict to the front and now everyone's adjusting.

Just thinking out loud.