Early on a warm summer morning, a few hours before traffic began to fill the streets, a 16-man SAS patrol took up ambush positions around a Baghdad house, writes Sean Rayment. The soldiers had been told that the house was a being used as a base by insurgents - and up to three suicide bombers were expected to leave it later that morning. Dressed in explosive vests, they were fully equipped to hit a number of locations around the city. The bombers' targets were thought to be cafes and restaurants frequented by members of the Iraqi security forces. The intelligence...