Copyright 2011, The Associated Press
A view of the World Trade Center North Tower memorial pool at the National September 11 Memorial and Museum in New York, Tuesday, Sept. 6, 2011. (AP Photo/Susan Walsh, POOL)
A view of the World Trade Center North Tower memorial pool at the National September 11 Memorial and Museum in New York.
Copyright 2011, The Associated Press
A view of the World Trade Center North Tower memorial pool at the National September 11 Memorial and Museum in New York, Tuesday, Sept. 6, 2011. (AP Photo/Susan Walsh, POOL)