South Dakota Sen. John Thune waves to delegates during the Republican National Convention in Tampa, Fla., on Wednesday. J. Scott Applewhite/AP hide caption

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The Republican ticket: Mitt Romney (left) and Rep. Paul Ryan wave as the 2012 Republican National Convention winds up Thursday in Tampa, Fla. Romney accepted the party's presidential nomination. Ryan is his running mate. Joe Raedle/Getty Images hide caption

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NPR's Cheryl Corley and producer Brakkton Booker followed Tuesday's Republican National Convention events with a trip to Tampa's trendy Ybor City neighborhood. Brakkton Booker/NPR hide caption

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Republican vice presidential candidate, Rep. Paul Ryan waves with his family Wednesday at the GOP convention in Tampa. Also on stage: his daughter Liza, sons Charlie and Sam Ryan, wife Janna and mother Elizabeth. Win McNamee/Getty Images hide caption

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Former Democratic Rep. Artur Davis spoke Tuesday at the Republican National Convention: "Some of you may know," he said, "the last time I spoke at a convention, it turned out I was in the wrong place." J. Scott Applewhite/AP hide caption

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South Carolina Gov. Nikki Haley speaks Tuesday at the Republican National Convention in Tampa, Fla. Earlier in the day, she said: "It's offensive to me as a woman and as a minority that Democrats can go and say, 'That party hates you,' and can get away with that." Mark Wilson/Getty Images hide caption

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Rep. Paul Ryan of Wisconsin, seen at a weekend rally in Powell, Ohio, is set to formally accept the GOP nomination to become Mitt Romney's running mate. Jewel Samad/AFP/Getty Images hide caption

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Ann Romney is hugged by her husband, Mitt, after she addressed delegates during the Republican National Convention in Tampa, Fla., on Tuesday. Rick Wilking/Reuters/Landov hide caption

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Ann Romney is expected to play more of a traditional "first lady" role in tonight's address, while N.J. Gov. Chris Christie will likely throw some punches at the Obama administration. Getty Images hide caption

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Final preparations were under way Monday for the opening of the Republican National Convention in Tampa, Fla. Democrats are holding their convention next week in Charlotte, N.C. Stan Honda/AFP/Getty Images hide caption

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The Republican message: Workers were putting up a sign Sunday inside the Tampa Bay Times Forum, where the 2012 Republican National Convention is set to begin. Scott Olson/Getty Images hide caption

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Republican National Committee officials unveiled the stage inside the Tampa Bay Times Forum this week ahead of the Republican National Convention, which may or may not begin Monday. Tim Boyles/Getty Images hide caption

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New Jersey Gov. Chris Christie greets Republican presidential candidate Mitt Romney in Des Moines, Iowa, on Dec. 30, 2011. Evan Vucci/AP hide caption

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Former Massachusetts Gov. Mitt Romney campaigns Sunday in Council Bluffs, Iowa. Justin Sullivan/Getty Images hide caption

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