What I have heard on Mudcat is that if US forces pull out of Iraq, everything will get "sorted out in two weeks ".

It took a little longer to get things sorted out in Rwanda.

"...Between April 6 and mid-July, a genocide that is estimated to have left between 800,000 and 1,071,000 Tutsis and moderate Hutus dead at the hands of organized bands of militias, as reported by Helen Vesperini...
...Their Achilles tendons were cut so they couldn't run, and the Belgian soldiers — all of them privates — were castrated and died choking on their genitalia..."