Arthur:

Iraqi leaders have all but given up on holding the country together and, just two months after forming a national unity government, talk in private of "black days" of civil war ahead. Signalling a dramatic abandonment of the U.S.-backed project for Iraq, there is even talk among them of pre-empting the worst bloodshed by agreeing to an east-west division of Baghdad into Shi'ite and Sunni Muslim zones, senior officials told Reuters.

Tens of thousands have already fled homes on either side....read on"