Undercutting the Bush's administration's rationale for invading Iraq (news - web sites), the final report of the chief U.S. arms inspector concludes that Saddam Hussein (news - web sites) did not vigorously pursue a program to develop weapons of mass destruction when international inspectors left Baghdad in 1998, an administration official said Wednesday. AP Photo Reuters Slideshow: Iraq Latest headlines: · Report: Saddam Not in Pursuit of Weapons AP - 5 minutes ago · US to admit no WMDs in Iraq, but Bush unrepentant AFP - 15 minutes ago · Bush attacks Kerry over Iraq, economy AFP - 16 minutes...