The Other McCain:

The key thing here is that Gingrich is not campaigning in Kansas because he’s been forced to fight in Alabama and Mississippi merely to maintain whatever semblance of “viability” Newt’s got left, which frankly isn’t too damned much.

So if Santorum wins Saturday, both Mitt and Newt will try to pretend it’s irrelevant, but a Kansas win would add weight to the perception of Santorum as the conservative alternative — “a two-man race” with Romney, as he says – and thus should boost his numbers in Alabama and Mississippi by a few points. I say all that as a precursor to talking about the polls, which must be taken with a grain of salt.

Go read the whole thing.