The military officer running the hunt for weapons of mass destruction in Iraq has been replaced in what officials described as a routine rotation. Brig. Gen. Joseph J. McMenamin, a Marine, took over as director of the Iraq Survey Group on June 12. He replaced Maj. Gen. Keith Dayton, who moved to a Pentagon job in the Army’s hierarchy, according to the Pentagon. McMenamin runs day-to-day operations and reports to Charles Duelfer, who has the title of special adviser and sets strategy for the weapons hunt. Duelfer reports to Director of Central Intelligence George J. Tenet.Full Story