Bomber kills four in Baghdad

In other news, Interim National Security Adviser Mouwafak al-Rubaie said ousted dictator Saddam Hussein could stand trial by year's end. "I will be surprised if I do not see Saddam in the box before the end of the year," he said. "I am very much hopeful that Saddam will be in the box around September and October, before the general referendum" on a constitution.