9/11 rekindles chivalrySept. 11, 2001, also known as simply "9/11," is a day that changed America as we know it. The Twin Towers, the symbol of our influence and unparalleled wealth, came crashing down. The distinguished structures that painted the New York skyline are now a distant memory of safer times. But, as surely as the buildings fell, two towers were emerging from the crepitating debris.