Today we mark four years since the war in Iraq began. Without debating the wisdom of the war itself (or lack thereof), the U.S. has suffered some 3,204 casualties to date. Among those casualties are residents from the District, Maryland and Virginia — 3, 60 and 91, respectively. DCist would like to recognize their service to their country in what little way we can — by printing their names and sending our condolences to their…