Final preparations at the Pentagon --- ten years after the fateful morning of the deadliest attack on U.S. soil.<br/> Sunrise over Ground Zero. Police were out in full force due to concerns about a possible Al Qaeda attack as New Yorkers began streaming into Ground Zero to attend a memorial ceremony.<br/> President Obama and first Lady Michelle also left the White House for New York where they will begin a full day of memorials. They will also make stops in Shanksville, Pennsylvania and will return to Washington for a ceremony at the Pentagon.<br/> Deborah Gembara, Reuters.
