Republican presidential hopefuls former House Speaker Newt Gingrich and former Massachusetts Gov. Mitt Romney debate in Jacksonville, Fla., on Thursday. Matt Rourke/AP hide caption

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President Obama delivers last year's State of the Union Address on Jan. 25, 2011. Evan Vucci/AP hide caption

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The presidential election brings out the media's obsession with regional differences. Reporters and politicians do stand-ups from cornfields in the Midwest, beaches in California, honky-tonks in Texas — and in front of this sand sculpture of the GOP candidates in Myrtle Beach, S.C., last weekend. Emmanuel Dunand/AFP/Getty Images hide caption

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Texas Gov. Rick Perry greets voters Jan. 10 after speaking to a town hall meeting in Indian Land, S.C. He has said that if voters want someone to sing "Kumbaya," "I'm not your guy." Jeff Siner/MCT/Landov hide caption

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"Occupy Iowa caucuses" activists were on nobody's side when they marched through the streets in Des Moines, Iowa, last week. Jewel Samad/AFP/Getty Images hide caption

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Republican presidential candidate Michele Bachmann speaks at The Gift of Life movie premiere in Des Moines on Wednesday night. Jim Young/Reuters /Landov hide caption

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Texas Gov. Rick Perry speaks at the Republican Jewish Coalition 2012 Presidential Candidates Forum in Washington, D.C., last week. Alex Wong/Getty Images hide caption

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Americans are craving food grown locally: There are now more than 6,000 farmers markets across the country. Here Ron Samascott organizes apples from his orchard in Kinderhook, N.Y., at the Union Square Greenmarket in New York. Mark Lennihan/AP hide caption

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Texas Rep. Ron Paul's passionate base of support could explain a new study that finds he received more favorable treatment on Twitter than any other GOP hopeful. Chip Somodevilla/Getty Images hide caption

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