FRONTLINE traces the roots of the Iraqi war back to the days immediately following September 11, when Defense Secretary Donald Rumsfeld ordered the creation of a special intelligence operation to quietly begin looking for evidence that would justify the war. The intelligence reports soon became a part of a continuing struggle between civilians in the Pentagon on one side and the CIA, State Department, and uniformed military on the other - a struggle that would lead to inadequate planning for the aftermath of the war, continuing violence, and mounting political problems for the president.