The regime change the U.S. government forced upon Iraq through invasion and occupation and the Bush administration's dismissal of diplomacy and deterrence prior to waging war against that country constitute a radical change in U.S. security policy. President George W. Bush's "preemptive war" strategy sidelined the multilateral framework of collective security established after World War II. Foreign Policy In Focus is emphasizing our experts' criticism of the Iraq War and solutions to end the war and bring the troops home as part of its mission to encourage the United States to serve as a responsible global leader and partner.