Hope and heroism: Obama hails post-9/11 resilience
Obama Sept 11 Pentagon
Credit: AP
President Barack Obama and first lady Michelle Obama, Defense Secretary Leon Panetta and Chairman of the Joint Chiefs of Staff Mike Mullen walk an honor guard cordon before they lay a wreath as the 10th anniversary of the Sept. 11 attacks are observed at the Pentagon in Washington, Sunday, Sept. 11, 2011. (AP Photo/Charles Dharapak)
