""SEC. 2. AUTHORIZATION FOR USE OF UNITED STATES ARMED FORCES.
(a) IN GENERAL- That the President is authorized to use all necessary and appropriate force against those nations, organizations, or persons he determines planned, authorized, committed, or aided the terrorist attacks that occurred on September 11, 2001, or harbored such organizations or persons, in order to prevent any future acts of international terrorism against the United States by such nations, organizations or persons.""
Sept 2001 AUMF
http://www.yale.edu/lawweb/avalon/sept_11/sjres23_eb.htmThe language "he determines" depends upon the War Powers Resolution, embedded, requirement that there be 'clear' 'situations' and 'circumstances'. The fantasy WMDs and ties to Al Qaida terrorists with Saddam were what were trotted out in order to justify this charade.
Truly, Sen Warner's thought that a revisit to the Iraq AUMF would be, now, seen as a necessity !
See the Oct 2002 Iraq AUMF
http://www.whitehouse.gov/news/releases/2002/10/20021002-2.htmland the War Powers Resolution of 1973
http://www.yale.edu/lawweb/avalon/warpower.htm