CLICK on each year in the graph below to view a detailed timeline of the events and decisions that have led up to the latest effort -- a troop "surge" -- to try to bring security to Iraq. The graph charts the attacks on Coalition and Iraqi troops and civilians since the start of the war. It comes from the Government Accountability Office's May 2007 report "Rebuilding Iraq: Integrated Strategic Plan Needed to Help Restore Iraq's Oil and Electricity."