Plus, the man who went to space — and never wanted to go back. 

Here’s what we’re covering:

• Some in Silicon Valley Are Questioning the Calls for an A.I. Slowdown, by Kalley Huang and Mike Isaac
• E.P.A. Expected to Erase Limits on Climate Pollution From Power Plants, by Maxine Joselow
• A Teen Autopsy Marks the Arrival of a Deadly Drug in San Francisco, by Heather Knight
• Toyohiro Akiyama, Japan’s Chain-Smoking ‘Space Antihero,’ Dies at 84, by Javier C. Hernández and Hisako Ueno

Tune in every weekday morning, and tell us what you think at: theheadlines@nytimes.com.

Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app.

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.