Gen. Jack Keane, former acting chief of staff and vice chief of staff of the U.S. Army, former Afghanistan coalition commander Lt. Gen. David Barno, officers involved with the “successful operations of the Third Armored Cavalry Regiment in Tal Afar” under the command of Col. H.R. McMaster, and Frederick Kagan, resident scholar at the American Enterprise Institute and former associate professor of military history at the U.S. Military Academy, have produced a new Iraq study that “calls for a sustained surge of U.S. forces to secure and protect critical areas of Baghdad.” “Choosing Victory: A Plan for Success” executive summary: