The suicide bombs that slaughtered dozens of people in four separate blasts within 45 minutes yesterday took terrorism in Iraq to fresh levels of sophistication and co-ordination. Brig Gen Mark Hertling of the US 1st Armoured Division was clear. "The bombings seem to have been the operations of foreign fighters," he said. "We have not seen attacks we could attribute to foreign fighters before. We have seen them today." While it would be in America's interest to portray terrorist attacks as the work of foreigners bent on undermining stability, the methods used in recent weeks certainly indicate a ruthlessness against...