[Olog-hai]

It is PPP, after all.

[M. Dodge Thomas]

Actually, PPP is middle-of-the-pack in accuracy, and at least in the 2012 Presidential race (like most pollsters) had a slight Republican bias.

http://fivethirtyeight.blogs.nytimes.com/2012/11/10/which-polls-fared-best-and-worst-in-the-2012-presidential-race/?_r=0

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As for current polling, it seems reasonable to me; this is a party (and a country) split asunder.