Does something hit Santorum before the caucus?

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I know this will probably sound like it's coming out of nowhere, since I've never had that much to say about Santorum.  But I actually always felt that Santorum would finish at least 3rd in Iowa; the strong religious conservative vote there, the time and effort he has put into the state and the facts that the other conservative candidates are pretty much dead, and the other top three candidates are two moderates and a libertarian-leaning Republican, make him, I think, suited well to finish strongly.  I'm skeptical about how much juice he'll have after that, but I'll be quite frankly quite surprised if he doesn't finish 3rd or higher next Tuesday