President Obama Observes a Moment of Silence for 9/11 in Washington, DC

President Barack Obama (L), First Lady Michelle Obama, Vice President Joe Biden, Dr. Jill Biden and White House staff place their hands on their heats as taps is played after a moment of silence for the 12 anniversary of the 9/11 terrorist attacks, at the White House on September 11, 2013 in Washington, D.C. UPI/Kevin Dietsch