It's Not Easy

Not Easy to sell "your" mercenaries to someone else: Iraqi militiamen frustrated that promised jobs haven't materialized. Of course, the US Army is trying to market its mercenary army (The Sons Of Iraq) to the Government of Iraq. Which is no way going to hire thousands of disaffected Sunni soldiers - many of them from the former Iraqi army that the Sunni (sort of) Brutal Thug Dictator Saddam Hussein used to oppress the then-oppressed-now-ruling Shi'ite. Not a chance Gen. Petraeus. This part of your Surge is a looming failure. This is the Middle East and it's Payback Time. The kind of socio-cultural tradition the previous president shoulda been informed about. But then, George W. Bush really just wanted to be a War President; he didn't really much care about the end result.
Sort of like Czar Peter III, left to play with his Toy Soldiers, while his wife Catherine managed the Empire.
Too bad George 43 didn't marry a Catherine.