You are discounting Sandy and the Crispy Creme Christie endorsement. It was HEAVILY promoted by the MSM, and CNN showed that Obama earned a 78% - 8% approval of his handling of the crisis - before it even began!
That’s because you place faith in a model with skewed Democratic turnout. As for the news you cite, its probably statistical noise.
It only reinforces my point that ALL of the polls - apart from Gallup - are unreliable.
These polls should be outlawed.
The MSM use these polls to sway the voters.
In a better world, presidential campaigns should have a spending limit of 1M and no polling data should be released. (think of all the money the MSM would lose if they couldn’t air those ads)