Barack & Michelle Obama Join Bill & Hillary Clinton To Commemorate 9/11 — See More Celeb Tributes

Joe and Jill Biden were joined by the Obamas and the Clintons as they paid tribute to those who lost their lives in the September 11 attacks.Joe and Jill Biden were joined by the Obamas and the Clintons as they paid tribute to those who lost their lives in the September 11 attacks.Read More