KENNEDY CENTER Washington National Cathedral's "A Call to Compassion," a commemoration of the 10th anniversary of 9/11, is hosted at the Kennedy Center in Washington, D.C., Sept. 9, 2011. Defense Secretary Leon E. Panetta addressed the audience at the event. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 522787-P-UOW53-319.jpg Photo Gallery