"Gen. Michael Hagee says he asked his boss again and again who would take charge of major Iraqi cities, such as Najaf."
Story
The reason why there was no post-invasion plan is because they didn't need one.
_They_ did not need one because their goal was random chaos in Iraq. It neutralizes Iraq as a threat to the energy outpost. And it's cheaper than building "Democracy" or HappyTime or [ProductName].
General Hagee was not privy to this dark, inner goal.