Several Freepers who live in the 8th said they knew people who voted against Graf because of incorrect statements that were applied to him and his inability to get the word out. I'm in a very conservative part of the State, so I have to go by what people who live in the Tucson area have to say.... but, yes, it's a very liberal district.
I'm in Tucson. Between it being a lib district, Graf advertising himself as very single issue, and the occasional deep-ender comment by Graf it's amazing it was as close as it turned out to be.
AZ-8 voted as presently constituted voted 53-47 Bush in 2004, and 49-47 (4 for Nader) Bush in 2000. It is a marginal district, not a liberal one.