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The Berlin Wall was a scar — a concrete and barbed wire boundary that divided families, East and West, communism and capitalism, tyranny and democracy. People died trying to climb over it while others labored to carve tunnels beneath it.

Shocked by someone wearing a costume inspired by the Zika virus? Don't be. People have been dressing up as infectious diseases for hundreds of years, way before trick-or-treating became an American Halloween tradition in the 1920s.

Take this quiz to see how much you know about global disease costumes of the past and present:

Updated at 7:58 p.m. ET

Newly discovered emails being examined by the FBI in relation to Hillary Clinton's email server came to light in the course of an unrelated criminal investigation of Anthony Weiner, a source familiar with the matter tells NPR's Carrie Johnson.

Weiner is the estranged husband of close Clinton aide Huma Abedin; he has been under scrutiny for sending illicit text messages to an underage girl. Sources said authorities seized electronic devices in their home, which led them to this new information.

Protests against the Dakota Access Pipeline have been raging for months, but tensions have been escalating. Recently, tribal leaders — led by Standing Rock Sioux Tribe Chairman Dave Archambault II — called on the Department of Justice to look into what they describe as unnecessary use of force by state and local law enforcement.

After a bruising career in the rough and tumble NHL, who could blame a guy for wanting to take it easy? At age 55, Wayne Gretzky is still playing charity games with other old timers, but "I'm getting older and slower," he says with a laugh.

Along the border between the U.S. and Mexico, armed groups on patrol — mostly men — look for illegal immigrants and drug traffickers. They're not U.S. Border Patrol, but regular people who've decided to take matters into their own hands.

They call themselves militias. Groups such as these have been around for decades, but they exploded in number after Barack Obama was elected president. Today, there are 276 militia groups around the country, according to the Southern Poverty Law Center.

Cori Bargmann's new job description includes "to help cure, prevent or manage all diseases by the end of the century." That's quite a lofty goal.

Bargmann is a neuroscientist and president of science for the Chan Zuckerberg Initiative, the joint venture of pediatrician Priscilla Chan and Facebook co-founder Mark Zuckerberg. The couple pledged $3 billion to solve major medical problems by helping scientists and engineers collaborate long term, over 25, 50, even 80 years.

Jeffrey Goldberg, The Atlantic's new editor, has had a long career as a reporter, covering Israel, Pakistan and Iran, and spending hours interviewing President Obama.

And recently, Goldberg pressed for his magazine to endorse Hillary Clinton for president. He said it was right, even though it's only the third time in its history The Atlantic has endorsed a presidential candidate.

Donald Trump's slogan "Make America Great Again" is an easy one to adapt for whatever your cause. There are ones like "Make America Gay Again," "Make America Skate Again," "Make America Read Again," "Make America Fair Again." You get the idea.

Bakers, of course, had to get in on the action. How could you pass up "Make America Cake Again"?

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Make no mistake. Gloria Steinem, noted feminist and author, does not see that a woman elected to the White House automatically means a win for feminists or women.

"This is not all about biology, and I think we have to be careful to always say that, because if Sarah Palin were the president it wouldn't signify change," she tells NPR's Steve Inskeep. "If President Obama did not represent the majority views of Americans and of African-Americans, he would not represent change as he does. So it isn't about simple biology. It's about what we represent."

Presidential candidates Donald Trump and Hillary Clinton debated Wednesday night in Las Vegas — the final time before the November election.

NPR's politics team, with help from reporters and editors across the newsroom, live-annotated the debate. Portions of the debate transcript with added analysis are underlined in yellow, followed by context and fact checks below.

Find more coverage at nprpolitics.org.

Claims by one side — so far without evidence — that the coming presidential election will somehow be "rigged" are being echoed at campaign rallies and in one new poll of voters.

Donald Trump has questioned the integrity of the election, and there's been talk of the race for the Democratic nomination having been rigged at the expense of candidate Bernie Sanders.

What Best in Show did for dog shows and what A Mighty Wind did for folk music, the new mockumentary Mascots does for, well, mascots. The film, from director Christopher Guest, follows contestants in the World Mascot Association Championship.

One late December day in 1950, Max Beckmann was standing on a street corner near Central Park in New York City. The German expressionist painter had been on his way to see an exhibition featuring his work at the Metropolitan Museum of Art. Called "American Painting Today," the show was displaying his Self-Portrait in Blue Jacket.

It would turn out to be his last self-portrait.

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In Philip Roth's acclaimed novel American Pastoral, Miss New Jersey and Mr. Former High School Football star get married, have a beautiful daughter, a lovely house in the country, and a peaceful, blessed, life. But then the 1960's strike, and their little girl, outraged by the war in Vietnam, becomes a bomber.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

After forays into pop and folk, Norah Jones has returned to jazz and the piano for her latest album, Day Breaks. Jones has a long history with the genre –- she says she became "mildly obsessed with it" as a teenager in Dallas, and she signed with the legendary Blue Note Records at just 21. For her latest project, Jones also connected with some true jazz giants, including saxophonist Wayne Shorter.

At $68,000 per year, George Washington University in Washington D.C. is one of the most expensive schools in the country, and yet some students — most of whom receive financial aid — still don't have enough to eat every week.

Teen pregnancy is often discussed in political rather than personal terms, says novelist Brit Bennett.

"We think often about teen pregnancies — or even think about abortion ... in this very politicized way," she tells NPR's Steve Inskeep. Bennett thinks people don't necessarily ask themselves: What would I do if I were in this situation?

So in her debut novel, The Mothers, she tells the story of Nadia Turner, a 17-year-old high schooler who becomes pregnant after dating the son of a local pastor.

Joe Serna served three tours in Afghanistan as a Green Beret. Judge Lou Olivera is a veteran, too, who served in the Army as an intelligence officer. But when they met, it wasn't on base. It was in a North Carolina courtroom.

Serna had been struggling to adapt to life back home, and, after violating probation on DWI charge, he was sentenced by Olivera to a night in jail. He would have spent that time in his cell alone with his thoughts, if Olivera hadn't joined him.

The Nobel committee made a bit of a surprising announcement Thursday morning: Bob Dylan was awarded the Nobel Prize in literature for, according to the Swedish Academy, "having created new poetic expressions within the great American song tradition."

Cameron Esposito and Rhea Butcher had an idea for a show about two lesbian comics who get married and perform together. In other words, their real life.

"I Love Lucy, except we're both ... Lucy Loves Lucy," they joke to NPR's Ari Shapiro. "Also we're both Desi at the same time. It's a little bit of both." The pitch worked. Their show is called Take My Wife, and it's out now on the NBC-owned streaming channel Seeso.

If you really want to understand a place, writer Colin Dickey has some advice: "Ignore the boastful monuments and landmarks, and go straight to the haunted houses. Look for the darkened graveyards, the derelict hotels, the emptied and decaying old hospitals."

Dickey has spent a lot of time traveling the country searching for places that go bump in the night. The result is a new book called Ghostland: An American History in Haunted Places.

Here at Goats and Soda, we're trying something new: We want to know what you want us to investigate. The first topic is girls in developing countries.

Earlier this month, we gathered over 100 questions from our readers. We put three of them up for vote. More than 600 people voted, and this question was the winner:

I would like to know more about about microloans, and if they are in fact helping women start businesses in the developing world.

Christian Siriano has been designing clothing since he was a teenager. He's 31 now, and for the past decade he and his company have been making clothing for women of all shapes and sizes.

Paternity leave can make a big difference in a dad's long-term engagement with the child, doctors find. Paid family leave also fosters breastfeeding and reduces the incidence of maternal depression.

Last October, Goats and Soda began a series called #15Girls. The stories explored the lives of 15-year-olds who sought to take control and change their fate — despite daunting obstacles.

It's been a year, and we wanted to check back with the girls we profiled and see how their lives have changed. We weren't able to reach them all, but we did find out how five of the teens are faring in 2016.

Presidential candidates Donald Trump and Hillary Clinton debated Sunday night in their second official matchup.

It was the first debate since audio surfaced of Trump making vulgar comments about women, causing more than two dozen in GOP leadership to defect from the candidate.

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