BGen David Reist, USMC (Ret.), is Vice President of Strategy & Planning at the Potomac Institute for Policy Studies. As a guest panelist at a March 7 Global Voice Hall/American University forum on "Iraq, a Look Back," he took part in a discussion of the US mission in Iraq and the ongoing debate over what was accomplished.  Panelists looked at issues ranging from the US case for war to concerns over whether chaotic events in Iraq have created an opportunity for the ascendance of Iran.  Click here to access AU video of the event.