Republican National Committee Chairman Reince Priebus at the Republican National Convention in Cleveland. The RNC is largely supplementing the Trump campaign when it comes to on-the-ground staff. J. Scott Applewhite/AP hide caption

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Breitbart's Milo Yiannopoulos, a self-proclaimed leader of the movement, co-wrote a manifesto of sorts about what the alt-right believes. Drew Angerer/Getty Images hide caption

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What You Need To Know About The Alt-Right Movement

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(Left) A reporter waits backstage at the Wells Fargo Center. (Center) Vincent Evans, a delegate from Florida, watches first lady Michelle Obama give her speech. (Right) Guy Fawkes masks are lined up to be sold at Franklin Delano Roosevelt Park, just outside the arena. Gabriella Demczuk for NPR hide caption

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The algorithms that serve up what you like can often create closed loops of their own, packed only with people who agree with you already. Hiroshi Watanabe/Getty Images hide caption

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The Reason Your Feed Became An Echo Chamber — And What To Do About It

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Reince Priebus, chairman of the Republican National Committee, speaks to the delegates on start of the first day of the Republican National Convention. An estimated 50,000 people are expected in Cleveland, including hundreds of protesters and members of the media. Alex Wong/Getty Images hide caption

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Sen. Bernie Sanders, I-Vt Bernie Sanders and Presumptive Democratic presidential nominee Hillary Clinton appear together at Portsmouth, N.H. High School where Sanders endorsed Clinton for president of the United States. Darren McCollester/Getty Images hide caption

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Becky Lettenberger/NPR

President Obama Defends His Record On Race

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House Benghazi Committee Chairman Rep. Trey Gowdy, R-S.C. (left), confers with the committee's ranking member Rep. Elijah Cummings, D-Md., during a hearing on Capitol Hill. J. Scott Applewhite/AP hide caption

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Donald Trump delivered a speech on April 27, 2016 in Washington, D.C. using a teleprompter, a "pivot" in style, after saying he wouldn't use one. Chip Somodevilla/Getty Images hide caption

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Politics, Pundits And The Problem With The Word 'Pivot'

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Republican presidential candidate Donald Trump at a campaign rally at the Redding Municipal Airport last Friday in Redding, Calif. Rich Pedroncelli/AP hide caption

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Trump's African-American: 'I Am Not A Trump Supporter'

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The United States that 25-year-olds (top row) were born into is very different from the one of the 45-year-olds (middle row) and 65-year-olds NPR spoke with. Those differing circumstances and events have shaped very different political outlooks. Courtesy hide caption

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On Sept. 11, Two Wars And The Great Recession

Time is running out for a conservative to launch a national third-party presidential campaign, as Ross Perot did in 1992. Doug Mills/AP hide caption

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Is It Too Late For A Third-Party Presidential Candidate To Run?

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