WASHINGTON – SEPTEMBER 10: A stuffed monkey rests on the marker for Dana Falkenberg, who died at the age of 3, at the National 9/11 Pentagon Memorial on September 10, 2011 in Washington, DC. The memorial commemorates the 184 victims of the September 11 terrorist attacks both at the Pentagon and on American Airlines Flight 77. (Photo by Brendan Hoffman/Getty Images)
