Palin's already accused him of consorting with terrorists...
http://news.bbc.co.uk/2/hi/americas/7653132.stm
If you read the reason for saying so then to me it only shows the McCain camp up for the scumbags they are. There really is no justification at all for the claim, or rather it's soooo very flimsy that no rational, sane person could draw that conclusion.