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Well, that's the question we tackle every week on NPR's ThruLine podcast.

We tell you the surprising stories of the people who made our history.

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Music A prominent human rights lawyer who's also a critic of El Salvador's president has been arrested.

He's one of the most credible and outspoken people in the country.

We'll hear about why Ruth Lopez has been

detained. I'm Marco Werman. And I'm Carolyn Beeler. Also today, Ontario plans to build a new generation

of nuclear reactors. Locally, there's not too much opposition. They've lived alongside nuclear power.

They probably know people who work in the nuclear industry.

Plus, how the government in Hungary is attacking some universities while supporting others,

and we take you to Mexico City where you never know where a street party is going to pop up next.

All those stories and more ahead on the world.

This is the world.

I'm Marco Wurman.

And I'm Carolyn Beeler.

Thank you for joining us.

We start today in El Salvador, where authorities have detained Ruth

Lopez, a prominent human rights defender. Lopez was taken into custody on Sunday night. Her family

...