I honestly don’t know, beyond perhaps guilt?
BDS?
Or it could be that these districts tend to be urban and they may not like the religious lean of some Republicans?
Republicans have a tailor made issue for 2008 in Congressional elections in those districts, the Dhimmis only pushed the AMT’s implementation back 1 year, surely we can make some hay in those districts on “You will pay 33% in AMT taxes (if not more) 35% or higher taxes on your investments..
Those folks are RINOS/ moderates the types who vote for Arlen Spector and Jack Murtha..