President Barack Obama, first lady Michelle Obama, and others observe a moment of silence to honor those who were killed and injured in the shooting in Tucson, Ariz.
President Barack Obama, first lady Michelle Obama, and others observe a moment of silence to honor those who were killed and injured in the shooting in Tucson, Ariz. Associated Press
President Barack Obama, first lady Michelle Obama, and others observe a moment of silence to honor those who were killed and injured in the shooting in Tucson, Ariz. Associated Press

Obama's Giffords response came in hours, not days

January 10, 2011 5:10 PM