President Barack Obama participates in the wreath laying ceremony at 9/11 Memorial at New York City's ground zero.
President Barack Obama participates in the wreath laying ceremony at 9/11 Memorial at New York City's ground zero. Mehdi Taamallah/Abaca Press/MCT
President Barack Obama participates in the wreath laying ceremony at 9/11 Memorial at New York City's ground zero. Mehdi Taamallah/Abaca Press/MCT

Obama visits Ground Zero to honor bin Laden's victims

May 05, 2011 5:29 PM