Overview: 2011/09/12 Headlines: President Obama, George W. Bush Lead September 11 Tribute; Defense Secretary Panetta Vows Unending Fighting; Anti-Racism Rally Near Ground Zero Draws Attention to Targeting of Muslim Men; Former Senator Calls on Obama to Reopen 9/11 Investigation with Focus on Saudi Family; Former FBI Agent Accuses <span class="caps">CIA of Withholding Intelligence Before 9/11; Afghanistan: Four Civilians Killed, 77 U.S. Troops Injured in Suicide Bombing at NATO Base; Human Rights Group Accuses U.S.-Backed Militias in Afghanistan of Abuses Including Murder, Rape; Egyptian Protesters Attack Israeli Embassy Forcing Evacuation of Ambassador, Staff; Egyptian Police Respond with Deadly Force, Killing Three, Wounding over 1,000; Gaddafi Son Flees to Niger, Opposition Forces Arrest Head Security Official; France: One Person Killed, At Least Three Injured in Nuclear Plant Explosion; Japanese Protesters Commemorate Six-Month Anniversary of Nuclear Disaster; Former Military General Leads in Guatemalan Presidential Election; Chile: Thousands March to Commemorate 38th Anniversary of U.S.-Backed Coup; U.N. Claims at Least 2,600 Killed in Syrian Unrest; U.S. Considers Moving Iraq Drone Program to Turkey; More Than 100 Burned to Death in Kenya Pipeline Fire; Researchers Find Arctic Sea Ice at Lowest Levels on Record; Georgia Schedules Execution Date for Death Row Prisoner Troy Davis