On the show today: a story from the “this is terrifying” file. Cybersecurity researchers are bringing attention to a recent surge in GPS “spoofing” on commercial airlines. We’ll explain how these digital attacks work and why they pose a danger. And, former President Donald Trump made his return to the social media site X to promote an upcoming conversation with Elon Musk. We’ll get into it. Plus, Kai Ryssdal tells us all about his adventures in France to see the Olympics.

Here’s everything we talked about today:

• “Trump Returns to X With Several Posts Ahead of Musk Interview” from Bloomberg 

• “GPS spoofers ‘hack time’ on commercial airlines, researchers say” from Reuters

• “Meta beats censorship lawsuit by RFK Jr’s anti-vaccine group” from Reuters

We love to hear from you. Email your comments and questions to makemesmart@marketplace.org or leave us a voicemail at 508-U-B-SMART.