398273 03: With the White House in the background the National Christmas Tree glows December 6, 2001 in Washington DC. Moments earlier President Bush pushed the button to light the tree and dedicated it to those who died on September 11th during the terrorist attacks in New York and at the Pentagon. (Photo by Mark Wilson/Getty Images)

398273 03: With the White House in the background the National Christmas Tree glows December 6, 2001 in Washington DC. Moments earlier President Bush pushed the button to light the tree and dedicated it to those who died on September 11th during the terrorist attacks in New York and at the Pentagon. (Photo by Mark Wilson/Getty Images)