Skeptical pre-war stories as collected by the New York Times in its mini culpa:

Oct. 9, 2002: Aides Split on Assessment of Iraq's Plans
Oct. 24, 2002: A C.I.A. Rival; Pentagon Sets up Intelligence Unit
Feb. 2, 2003: Split at C.I.A. and F.B.I. on Iraqi Ties to Al Qaeda
March 23, 2003: C.I.A. Aides Feel Pressure in Preparing Iraqi Reports