Operation Iraqi Freedom accomplished a long-standing U.S. objective, the overthrow of Saddam Hussein, but replacing his regime with a stable, moderate, democratic political structure has run into significant difficulty. That outcome would contribute to preventing Iraq from becoming a sanctuary for terrorists, a key recommendation of the September 11 Commission report (Chapter 12, Section 2). During the 1990s, U.S. efforts to change the regime covertly failed because of limited U.S. commitment, disorganization of the Iraqi opposition, and the vigilance of Iraq’s several overlapping security services. Previous U.S. Administrations had ruled out a U.S. military invasion to change the regime, believing such action would be risky and th...