What does your vision of America look like? Loud Red Creative/iStockphoto.com hide caption

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Los Angeles Mayor and Democratic Convention Chairman Antonio Villaraigosa calls for a vote to amend the platform Wednesday at the Democratic National Convention in Charlotte, N.C. Charles Dharapak/AP hide caption

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It may be in former President Bill Clinton's (and his wife's) interest to help keep the Democratic party together for the next convention. Carolyn Kaster/AP hide caption

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The Obama campaign logo hangs from the ceiling inside Time Warner Cable Arena at the Democratic National Convention in Charlotte, N.C., on Monday. David Goldman/AP hide caption

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Delegates filled the floor Tuesday during the Republican National Convention at the Tampa Bay Times Forum in Tampa, Fla. Win McNamee/Getty Images hide caption

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Rep. Paul Ryan, the GOP vice presidential nominee, became a speech writer for the conservative Republican politician Jack Kemp after graduating from college in 1992. J. Scott Applewhite/AP hide caption

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Mitt Romney, who this week is set to accept the Republican presidential nomination, with wife Ann on Sunday in Wolfeboro, N.H. Jewel Samad /AFP/Getty Images hide caption

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Gov. Rick Perry rules the roost at the Texas Republican Convention in Fort Worth on June 7. But his endorsement of Lt. Gov. David Dewhurst fell flat this week as Tea Party fave Ted Cruz crushed Dewhurst in a GOP runoff for U.S. Senate. LM Otero/AP hide caption

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President Obama leads Mitt Romney 47 percent to 45 percent among all voters in a new NPR poll. But the two are tied among voters from 12 battleground states. Carolyn Kaster/Evan Vucci/AP hide caption

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The U.S. Supreme Court on the eve of a hearing about the Florida presidential election recount, Nov. 30, 2000. The justices later ruled 5-4 in the case of Bush v. Gore, effectively deciding the outcome of the presidential race. Alex Wong/Getty Images hide caption

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Wisconsin Republican Gov. Scott Walker (right) celebrates his win over Democratic challenger Tom Barrett at Tuesday night's victory party in Waukesha, Wis. Morry Gash/AP hide caption

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