Some voters are a lot more complicated than is commonly understood, a new Pew Research Center study suggests. In Denver, an election worker collects a mail-in ballot from a voter on Tuesday. Ed Andrieski/AP hide caption

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Catching up with a national trend, more Hispanics say they are not affiliated with a particular religion — a shift that could make the gap between Latinos and Republicans even wider. iStockphoto hide caption

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Volunteer Tom Strain carries debris from an empty lot as part of an Earth Day cleanup effort in Camden, N.J. The Earth Day events celebrated on April 22 promote a sustainable and clean environment. Mel Evans/AP hide caption

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President Obama, pictured here with Lilly Ledbetter, and congressional Democrats are working the equal pay issue hard in a midterm election year when they will need as many women to vote as possible. Carolyn Kaster/AP hide caption

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Hilary Clinton at last week's Clinton Global Initiative forum in in New York City. /PA Photos/Landov hide caption

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Rep. Justin Amash of Michigan, a libertarian Republican, says recent surveillance leaks have "brought home" libertarian ideas. J. Scott Applewhite/AP hide caption

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Amid Struggle For 'Soul' Of GOP, Libertarians Take Limelight

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During the 2012 campaign cycle, CNN was among several news networks that hosted Republican debates. Now, the GOP says it doesn't want to be on either that network or NBC. Joe Raedle/Getty Images hide caption

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