[FredZarguna]

It's Rassmussen. The methodology is not questionable. 500 likely voters is only 1.4 times less accurate than 1000 likely voters for a pollster with a good "likely" formula, which he has. It's MOE is about 4.5% vs. 3% for 1000. Even with a statistically unlikely refusal rate by Republicans, it can't be better than about -6 for Romney.

Barring some earth shattering development, PA is a waste of time for the Republicans in Presidential years.

[jjotto]

Of the ten largest states by population, California, New York, Illinois, and Michigan are already permanently lost to conservatives. Add Pennsylvania, and probably North Carolina and Ohio aren’t far behind. Demographics are burying conservatives permanently, which is not lost on the GOP-E.