And no, I did not, and will not vote for McCain.
Your are a Republican first. That is your registration. You an not escape responsibility for something your freely chose to join.
Your party (and by extension that is you) voted to put McCain as the nominee. That’s just the facts.
Here is a link to most of the political parties in the U.S. You are free to pick anyone of them and register or you can create your own if you like.
http://politics1.com/parties.htm