Against All Enemies: Inside America's War on Terror (ISBN 0-7432-6823-7) is a 2004 book by former U.S. chief counter-terrorism advisor Richard A. Clarke, criticizing past and present presidential administrations for the way they handled the War on Terrorism. The book focused much of its criticism on President George W. Bush, charging that he failed to take sufficient action to protect the country in the elevated-threat period before the September 11 attacks and for the 2003 invasion of Iraq, which Clarke feels greatly hampered the War on Terrorism. The book's title comes from the oath of office taken by all U.S. federal officials (except the President), in which they promise to defend the Constitution "against all enemies, foreign and domestic."