It's Juneteenth! What is this holiday that hardly anyone fully understands? UCLA's Brenda Stevenson explains the history, and argues that the celebration of emancipation is more important now than ever. Learn more about your ad choices. Visit podcastchoices.com/adchoices

That’s how many kids have been separated from their parents at border crossings over a six-week span since the Trump administration’s new zero tolerance policy took effect in April. CBS’s David Begnaud tours a holding facility in Texas. Then Vox’s Dara Lind explains why some conservatives are denouncing Trump’s new policy. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Tiny blood-sucking Lyme-disease-carrying ticks are out to ruin your summer. Since 1991, Lyme disease has doubled in the United States due to a variety of factors, including global warming and suburbanization. Vox’s Julia Belluz explains how to avoid ticks and, if worse comes to worst, deal with Lyme disease. Learn more about your ad choices. Visit podcastchoices.com/adchoices

The World Cup kicks off today. Looking for a country to cheer for? Consider Egypt. The team might not be the most storied or stacked, but it’s got Mohamed Salah. The New York Times’ chief soccer correspondent Rory Smith explains how the Muslim player who prays after every goal (and there are many) has the potential to transcend xenophobia, Islamophobia, and run-of-the-mill racism on the road to Russia. Learn more about your ad choices. Visit podcastchoices.com/adchoices

On Monday, Attorney General Jeff Sessions made it harder for Central Americans fleeing gang violence or women escaping domestic violence to gain asylum in the United States. This comes after the Trump administration made a practice of separating families who have entered the country illegally. Vox’s Dara Lind explains how U.S. immigration policy is dramatically shifting. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Donald Trump and Kim Jong-un made history today. Or did they? NPR’s Elise Hu was there. She explains what happened and what didn’t. Plus, The New Yorker’s Robin Wright recounts United States summit history. She says there are two keys to a successful summit, and Singapore's meeting lacked both. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Good news for poor Americans: Medicaid is expanding in several states. Bad news for poor Americans: Medicaid is expanding in several states with work requirements. How do poor people who can’t find work prove that they’re working to qualify for Medicaid? Vox’s Sarah Kliff explains this is an experiment that’s never been tried before. Learn more about your ad choices. Visit podcastchoices.com/adchoices

This week, the Saudi government issued driver’s licenses to women for the first time in the country’s history. But London School of Economics professor Madawi al Rasheed says Saudi women are hardly even people under the law. She explains what life is like for women in Saudi Arabia, and Vox’s Jenn Williams tells Sean Rameswaram about the Saudi prince who says he wants reform. Learn more about your ad choices. Visit podcastchoices.com/adchoices

North America isn't getting along anymore. Canada's Prime Minister is having testy phone calls with President Trump about the War of 1812. Mexico has slapped the United States with a $3 billion dollar tax bill. It all comes down to steel. Today, U.S. senators from both aisles announced new attempts to curb the president's tariffs power. Vox’s Matthew Yglesias explains how steel sparked a trade war. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Sheriff Joe Arpaio. Scooter Libby. Dinesh D'Souza. So far, none of President Donald Trump’s pardons have had anything to do with his administration, but many believe he is flexing this particular muscle for an audience of one: Robert Mueller. Vox’s Andrew Prokop explains why the president is dropping hints about pardoning himself and how American democracy may soon be tested. Learn more about your ad choices. Visit podcastchoices.com/adchoices