Remembering 9/11 at the Pentagon

<div class="meta "><span class="caption-text ">Families gather at the Pentagon Memorial during the 10th anniversary commemorative ceremony of the September 11 attacks at the Pentagon in Washington, Sunday, Sept. 11, 2011.  (AP Photo&#47; Charles Dharapak)</span></div>
September 11, 2011 11:20:47 AM PDT