i said to richard norton-taylor of the guardian, when i gave an interview to him, that at the time of 9/11, when i went to america the next day with sir richard dearlove and sir francis richards -- sorry, i'm deviating, but there is a point. >> that's fine. >> we flew back over new york, where fires were still burning, and i think we were all in separate ways reflecting on what this meant for our organizations and generally, and also on how the americans would react, and at that stage i have to say it did not occur to me that we would be going to war in iraq a year and a half later. but sometime between then and my writing that letter in march 2002 it must have become apparent that this was a possibility. so i think it became apparent much quicker than i remembered until i went back and reviewed the papers but i can't tell you specifically what triggered that. >> the letter refers to some things that the iraqis might try -- and, as you say, they are believed to have limited capabilities -- if there is an effort to topple the regime and it is suggested that what he could do, he would t