And finally, just as America can never tolerate violence by extremists, we must never alter or forget our principles. Nine-eleven was an enormous trauma to our country. The fear and anger that it provoked was understandable, but in some cases, it led us to act contrary to our traditions and our ideals. We are taking concrete actions to change course. I have unequivocally prohibited the use of torture by the United States, and I have ordered the prison at Guantanamo Bay closed by early next year.