I haven't seen anyone say the SCF should have endorsed the Dem over McConnell. And I don't agree that endorsing a third-party candidate, or no candidate, is the same as "backing the Dem" (not that you said it was).
I have seen plenty of posts saying, and hoping, that the R candidate loses to a dem.
This new thread for example is about wanting Graham to lose to the dem.
http://www.freerepublic.com/focus/f-news/3166312/posts
Ask Norm.
Norm, who would you rather see lose:
McConnell or his dem opponent?
Graham or his dem opponent?