NEW : Former defense secretary donated thousands for memorial . ' On a day when buildings fell , heroes rose , ' president says . Score: 6 Watch 9/11 memorials in New York and Washington on CNN.com Live .
NEW : Former defense secretary donated thousands for memorial . 'On a day when buildings fell , heroes rose , ' president says . Day 'began like any other and ended as none ever has , ' New York mayor says . Watch 9/11 memorials in New York and Washington on CNN.com Live .