Vanilla is a product of Lussumo:
Documentation and Support.
I don't think that we've gotten to the point where the majority of McCain/Palin supporters are racist, but the fact that there are racists among their supporters should be a given.
One of John McCain's advisers recently called his running mate Sarah Palin a "diva" after she went off-script at a rally, and suggested she was looking after her own political future over the current campaign. Now another adviser ups the ante in a conversation with the Politico's Playbook, labeling Palin a "whack job."