This document discusses the role of neoconservative ideas in the US invasion of Iraq in 2003. It outlines four main tenets of neoconservative foreign policy: 1) Moral clarity about good and evil states, 2) Support for US military preeminence, 3) Willingness to use force, and 4) Skepticism of international institutions. It argues neoconservatives saw Saddam Hussein's Iraq as the epitome of evil and believed regime change through invasion would spread democracy and reinforce US power in the region. However, the failure to find WMDs and the ensuing civil war undermined international support for the US.