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Barack Obama leads Mitt Romney 87% to 9% among self-described Democrats (39% of likely voters). Romney leads Obama 92% to 5% among self-described Republicans (33% of likely voters). And Romney leads Obama 52% to 42% among self-described independent voters (28% of likely voters).
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This is from the poll of October 9th. The results of this poll were Romney leading 48-47 with a D+6 sample!
With regard to the NH poll:
Obama won NH 54-45. According to the poll you posted, Romney's beating him there by a lot. That's stunning.
NH has alot of independents, which might explain Mitts lead. But I am still suspect.
I'm guessing Obama was perceived to be be the more libertarian choice over GWB. Four years of Leftist reality have made Romney look like the more libertarian option, this time.
Young voters are especially vulnerable to Leftist deception - they naturally lean libertarian and are easily scared into thinking the big, bad social conservatives are coming to take away their birthdays. The Democrats are experts at playing libertarian - while presiding over the most suffocating expansion of government power in the history of the free world. It would be so easy to head off such stupidity, but the RNC never seems to have any kind of successful outreach to college-age voters. The attitude seems to be "They'll learn, eventually."