After 11 September, President Bush and Tony Blair urged us to support their efforts to "bring the culprits to justice". But the prime culprits for the Twin Towers atrocity are all dead by their own hands. Not one was an Afghani, or had anything to do with Afghanistan. Most, if not all of them, we now discover, were born and bred in Saudi Arabia, the most stalwart ally of the United States in the Arab world. They were trained to fly aircraft in the United States. No one suggests that the country where the terrorists were brought up or trained should be bombed, any more than anyone suggested that the way to deal with the IRA was to bomb Belfast or Dublin.