Four Years On, The Lessons Of 9/11 Are Still Being Learned

IT WILL remain forever a defining moment of the 21st century, a sentinel marker in an age when so much is quickly forgotten. This was the point at which the vulnerability of the United States of America - economically and militarily the most powerful nation in the world - was exposed. The opening sentence of the subsequent official commission of inquiry captures it precisely: "At 8.46 on the morning of September 11, 2001, the United States became a nation transformed." It was not nuclear weapons ...