Obama: 'We Are So Thankful of Those Families of The Fallen'
01:42President Obama lays a wreath at the Tomb of the Unknowns to honor members of the military and speaks the Memorial Day Observance Ceremony at Arlington National Cemetery.
President Obama lays a wreath at the Tomb of the Unknowns to honor members of the military and speaks the Memorial Day Observance Ceremony at Arlington National Cemetery.