The excerpt above is from an article entitled "Justice Has Been Done?" by Mike Ferner. It's a very short piece and I recommend clicking through and reading the whole thing.
Real justice and a real call for celebration would have been to treat the attacks of September 11, 2001 for what they were, a massive, international criminal act and then set about dealing with it as we would any massive international crime - using international police forces to identify suspects, apprehend them, charge them, try them and punish the guilty. And we could have secured more than justice.
On September 12, 2001, a grieving world stood in full sympathy alongside the U.S., ready to assist. America, looked up to by so many, could have led the world into a new day where nations work together to prove once and for all that war is not the answer...