WASHINGTON, DC - SEPTEMBER 11: U.S. President Barack Obama and First Lady Michelle Obama depart for New York from the South Lawn of the White House on September 11, 2011 in Washington, DC. New York ... more 
WASHINGTON, DC - SEPTEMBER 11: U.S. President Barack Obama and First Lady Michelle Obama depart for New York from the South Lawn of the White House on September 11, 2011 in Washington, DC. New York City and the nation are commemorating the 10th anniversary of the terrorist attacks on lower Manhattan which resulted in the deaths of 2,753 people when two hijacked planes crashed into the World Trade Center. Security has been heightened in both New York City and Washington D.C. following a terrorist threat relating to a car bomb. (Photo by Joshua Roberts - Pool/Getty Images) less 
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Sun, Sep 11, 2011 7:53 AM EDT