Gates Contradicts Bush, Says 'I Don't Know' If 2002 War Authorization Is Still Valid:

During his questioning of Gates, Sen. Robert Byrd (D-WV) noted that the authorization listed two purposes for the use of force: 1) to defend the United States against Saddam Hussein and 2) enforce U.N. resolutions against Hussein's government. Byrd asked Gates, since Hussein's government no longer exists
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