From Missing Links
".....Here are a couple of paragraphs from that:
The tactics that Washington is pursuing in Iraq appear to be exacerbating several long-term trends that risk destabilizing Iraq even further and may well also undermine U.S. influence.
Washington’s militant intervention into intra-Shi’ite factional politics is pouring gasoline on that dispute, fomenting civil war between the two most powerful Shi’ite militias in Iraq by encouraging (or ordering?) Maliki to suppress Moqtada’s Mahdi Army. Washington is simultaneously laying the groundwork for a civil war between Iraqi Shi’a and Sunni by funding the organization of numerous local Sunni military units (e.g., the Awakening groups), which could evolve rapidly into a Sunni militia that would challenge the Shi’a since these units are gaining power without a commensurate move toward satisfaction of Sunni grievances. Washington is also fighting Iran’s war in Iraq by intervening in Shi’ite factional disputes on the side of the pro-Iranian Badr faction that constitutes Maliki’s main support. And finally, since Moqtada represents the poor urban Shi’ite underclass beyond the reach of government services, Washington is making war on the poor, a bad foundation indeed for building democracy.
A policy of marginalizing the poor by emphasizing the use of force to suppress their representatives, not to mention collective punishment against the poor themselves through both neglecting to provide services and turning Sadr City into a blockaded ghetto, sets up society for a long period of conflict. (For parallels, check out the impact of Israel’s 1982 invasion of Lebanon, which provoked the formation of Hezbollah; the half century-long civil war against the rural poor in Colombia; and of course the endless sad saga......"