The Week in Polls: Dec. 8

Newt Gingrich: Leader of the GOP Pack.

Newt Gingrich - Former House speaker Newt Gingrich is dominating the Republican presidential field in Iowa in the weeks leading up to the state’s key caucuses, according to an NBC News/Marist poll released Dec. 4. He’s got the support of 26 percent of likely caucus-goers, a 21-point increase since October.(Photo: Spencer Platt/Getty Images)

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Newt Gingrich - Former House speaker Newt Gingrich is dominating the Republican presidential field in Iowa in the weeks leading up to the state’s key caucuses, according to an NBC News/Marist poll released Dec. 4. He’s got the support of 26 percent of likely caucus-goers, a 21-point increase since October.(Photo: Spencer Platt/Getty Images)

Mitt Romney - Former Massachusetts governor Mitt Romney leads his GOP rivals in New Hampshire at 39 percent, an NBC News/Marist poll released Dec. 4 shows, but he has experienced a six-point decline since October.(Photo: Mark Kegans/Getty Images)

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Mitt Romney - Former Massachusetts governor Mitt Romney leads his GOP rivals in New Hampshire at 39 percent, an NBC News/Marist poll released Dec. 4 shows, but he has experienced a six-point decline since October.(Photo: Mark Kegans/Getty Images)

Republican Field - Newt Gingrich leads Mitt Romney among Republican registered voters nationwide by 37 percent to 22 percent, according to a Gallup poll published Dec. 6. All of the other candidates garnered single-digit support, with Jon Huntsman bringing up the bottom with one percent.(Photo: Alex Wong/Getty Images)

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Republican Field - Newt Gingrich leads Mitt Romney among Republican registered voters nationwide by 37 percent to 22 percent, according to a Gallup poll published Dec. 6. All of the other candidates garnered single-digit support, with Jon Huntsman bringing up the bottom with one percent.(Photo: Alex Wong/Getty Images)

Barack Obama - President Obama’s approval ratings have declined in Iowa and New Hampshire to 43 percent and 40 percent, respectively, according to an NBC News/Marist poll released Dec. 4. But he leads his Republican challengers in Iowa, including Mitt Romney (by seven points); Newt Gingrich (by 10 points) and Rick Perry (by 11 points). In New Hampshire, Romney leads Obama by 3 points.(Photo: Julie Denesha/Getty Images)

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Barack Obama - President Obama’s approval ratings have declined in Iowa and New Hampshire to 43 percent and 40 percent, respectively, according to an NBC News/Marist poll released Dec. 4. But he leads his Republican challengers in Iowa, including Mitt Romney (by seven points); Newt Gingrich (by 10 points) and Rick Perry (by 11 points). In New Hampshire, Romney leads Obama by 3 points.(Photo: Julie Denesha/Getty Images)

Wealth and Political Ideology - Among the nation’s wealthiest “1 %” of Americans, 33 percent identify themselves as Republicans, almost a mirror image of the nation’s 99%, 33 percent of whom say they are Democrats, according to a Gallup poll published Dec. 5. Independent voters outnumbered both parties, in both the 1% and the 99 %.(Photo: Chip Somodevilla/Getty Images)

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Wealth and Political Ideology - Among the nation’s wealthiest “1 %” of Americans, 33 percent identify themselves as Republicans, almost a mirror image of the nation’s 99%, 33 percent of whom say they are Democrats, according to a Gallup poll published Dec. 5. Independent voters outnumbered both parties, in both the 1% and the 99 %.(Photo: Chip Somodevilla/Getty Images)

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Presidential Field - In a Gallup poll released Dec. 21, 46 percent of Americans said none of the current candidates from either party would make a good president.(Photo: Joe Raedle/Getty Images)

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Presidential Nominating Race - As the nominating race unfolds, Republican presidential candidates are becoming less popular. Thirty-one percent of respondents in a Pew Research Center poll published Dec. 6 said that their impression of the GOP field has worsened, compared to 14 percent who say their impression has improved. Nineteen percent say their impression of President Obama has improved as they learn more about the GOP hopefuls, but 21 percent say it has worsened.(Photo: Joe Raedle/Getty Images)

Illegal Immigrants and In-State Tuition - A Pew Research Center poll published Dec. 6 found that 48 percent of Americans believe that illegal immigrants who graduate from high school in their state should be eligible for in-state college tuition, while 48 percent said they should not.(Photo: Joe Raedle/Getty Images)

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Illegal Immigrants and In-State Tuition - A Pew Research Center poll published Dec. 6 found that 48 percent of Americans believe that illegal immigrants who graduate from high school in their state should be eligible for in-state college tuition, while 48 percent said they should not.(Photo: Joe Raedle/Getty Images)

Economic News - Fifty-six percent of Americans say the news they are hearing about the economy is both good and bad, while 36 percent say the news is mostly bad, according to a Pew Research Center poll released Dec. 7.(Photo: Chip Somodevilla/Getty Images)

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Economic News - Fifty-six percent of Americans say the news they are hearing about the economy is both good and bad, while 36 percent say the news is mostly bad, according to a Pew Research Center poll released Dec. 7.(Photo: Chip Somodevilla/Getty Images)