After the US officially drew a line under its combat operations in Iraq this week, American soldiers are marching out of the country while thousands of armed security contractors are flooding in. In addition, tens of thousands of American troops will stay on, but only to provide training for local security forces. The cost has been high - it's taken almost a trillion U.S. dollars; but also the deaths of tens of thousands of Iraqi civilians. RT's Paula Slier is in Baghdad.
