--the latter, plus the right-'moderate' elements within the Dem party responding to overwhelming media/repub attacks on the Dems for letting 911 happen, going light on sodom, etc... The Gore folks were certainly interested in some formula to justify an invasion of Iraq, they just couldn't find it and didn't have the nerve to take the kinds of risks that Bush was willing to take. Thus they stuck with other kinds of illegal warfare against Iraq, in the form of sanctions, no fly zones, random bombings,...
steve