Apart from the obvious, what would constitute a “win” for Obama in the upcoming Pennsylvania primary? This is certainly more of a perceptual issue than anything else–and that is no small issue this year, given that perception of the situation will directly inform the behavior of the superdelegates. It does seem to me that if Obama can get the overall state win for Clinton to be in the 5% range, then it will be difficult for Clinton to receive the kind of coverage that she needs to treat Pennsylvania as some sort of turning point. Really, any single-digit Clinton win will be treated as tainted, I would think.

Of course, barring an utter (and utterly improbable) crushing of Obama by Clinton, Obama will emerge with a healthy number of delegates, making even a Clinton “win” not much of one (like her wins in California, Ohio and Texas, to name three).

More here in terms of info on the latest Time poll, a graph from Pollster.com and the ability to comment on the story.

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