hopefully it won’t come to this (Hillary vs. Rudy) but this article does make a could point about how you can/should still vote for the lesser of 2 evils.
There is a time for teaching your party lessons, and a time for going with the nominated primary candidate. Next year will be a watershed year - Republicans can choose to teach their party a lesson (again) and risk putting our military staff, our free internet, our basic values at terrible risk of another Clinton presidency, or we can go ahead and be united in our vote against a democrat during wartime and work for the future to raise up a viable candidate for 2012...