Don't worry. All of the "Principled Conservatives" are going to either vote third party or sit this one out to "send a message". The RATS will get more than one more vote thanks to the "Principled Conservatives".
If you cared so much about this, why didn't you and the rest of the GOP put up someone who could win the election? If you depended on conservatives to carry the win as opposed to what most of the GOP now is, then you ef'd up. The blame doesn't lay with the "principled conservatives" (as you intone, a bad thing), it is with the rest of the GOP.
Casting blame (albeit early blame - you actually KNOW what's coming, don't you). You knew it when his 'rightness' was coronated via the MSM and NYT without even going through 1/3 of the primaries.