General Petraus had bought off the key anti-US warlords in Iraq. That was part of his surge strategy. In the long run, it proved to be the right policy. The war lords became mercenaries for the US.
I never would have approved of the Petraus plan myself, not understanding guerrilla warfare at the time. But it worked.
And guess who tipped over the Apple Cart?
And who tipped over the Apple Cart? Just another man who couldn’t keep it in his pants. Probably was seduced by a woman with significant Muslim ties (Tampa society).