Plot: 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 CIA of Withholding Intelligence Before 9/11; Afghanistan: Four Civilians Killed, 77 U