When Gen. David Petraeus delivers his report on the war, his Washington audience will include two militant factions. Perhaps nothing he can responsibly say will sway either, so September will reinforce animosities.
Meanwhile, the Iraqi parliament goes back into session at about the same time he makes his report. Nobody has much optimism in their ability to put together a self-ruling country out of their three main groups: Kurds, Sunnis, and Shia.