Conflict, Security & Development, Oct 08 (hat tip to the Insurgency Research Group):

Militias, tribes and insurgents: The challenge of political reintegration in Iraq
This article examines the different approaches employed by the United States toward the political reintegration of irregular armed groups, from the policy vacuum of 2003 to the informal reintegration seen during the course of the so-called “surge” in 2007 and 2008. The case study has significant implications for the importance of getting political reintegration right—and the long-term costs of getting it badly wrong.....
Complete 33-page article at the link.