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DAVID BIANCULLI, HOST:

The Great Wall of China. A walk on the moon. Genome sequencing. How did we humans, who share almost all of our DNA with chimpanzees, end up doing all that, while they ended up pretty much where they started?

Some scientists will tell you it was language, or tools, or brainpower.

RACHEL MARTIN, HOST:

In a ruling seen as a major victory for privacy rights in the digital age, the U.S. Supreme Court this morning has ruled that police need a search warrant to track people's cellphone locations. For more on what this means, we're joined by NPR legal affairs correspondent Nina Totenberg. Nina, thanks for being here.

NINA TOTENBERG, BYLINE: My pleasure.

MARTIN: On its face, this seems like a highly consequential ruling.

A Guatemalan mother and her son who were caught up in the Trump administration's zero tolerance policy along the southern U.S. border have now been reunited, after more than a month apart. The two held an emotional reunion early Friday morning, at Baltimore-Washington International Thurgood Marshall Airport.

Updated at 5:32 p.m. ET

In a landmark decision, the U.S. Supreme Court ruled Friday that police must obtain a search warrant to access an individual's cellphone location information. The 5-4 decision imposes new limits on law enforcement's ability to get at the increasing amount of data that private companies amass in the modern technological age.

On Sunday, voters in Turkey will go to the polls in snap elections called by President Recep Tayyip Erdogan. These elections weren't supposed to be held until 2019, but Erdogan moved them forward by more than a year in hopes of catching the opposition flat-footed.

Here's a look at what's at stake.

Who's running?

Ranking U.S. House Democrats are calling for an ethics investigation into Interior Secretary Ryan Zinke. They want to know more about a land deal between Zinke's family foundation and a real estate project with ties to the oil and gas giant Halliburton.

ABC canceled its lucrative reboot of Roseanne in late May, after star Roseanne Barr published a tweet that compared Valerie Jarrett, a former aide to President Barack Obama, to an ape. ABC Entertainment president Channing Dungey called the tweet "abhorrent, repugnant and inconsistent with our values." It looked like the network was willing to take a financial hit and part with a successful property in the name of, of all things, principle.

Not so fast.

An Ohio man who has the hepatitis C virus was sentenced to 18 months in prison on June 14 for spitting at Cleveland police and medics, according to a news report.

More than $3 billion worth of U.S. goods — from bourbon and corn to Harley-Davidson motorcycles — are now subject to a 25 percent tariff in the European Union, in retaliation for the Trump administration's tariffs that hit the EU, Mexico and Canada this month.

"The trade that we believe in is built on rules, trust and reliable partnership," Jean-Claude Juncker, president of the EU Commission, said in a speech in Dublin on Thursday night. "The United States' decision to impose tariffs on Europe goes against that. In fact, it goes against all logic and history."

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