There’s something of a policy revolution afoot: As of March, more than a dozen states — including California, Florida and Ohio — have passed bills or adopted policies that aim to limit cellphone usage at school. More are expected to follow.

Jonathan Haidt is the leader of this particular insurgency. “The Anxious Generation: How the Great Rewiring of Childhood Is Causing an Epidemic of Mental Illness,” his book exploring the decline of the “play-based childhood” and the rise of the “phone-based childhood,” has been on the New York Times best-seller list for a year. It feels, to me, like we’re finally figuring out a reasonable approach to smartphones and social media and kids … just in time for that approach to be deranged by the question of A.I. and kids, which no one is really prepared for.

So I wanted to have Haidt on the show to talk through both of those topics, and the questions we often ignore beneath them: What is childhood for? What are parents for? What do human beings need in order to flourish? You know, the small stuff.

Haidt is a professor at New York University Stern School of Business and the author of “The Righteous Mind” and “The Coddling of the American Mind” (with Greg Lukianoff). His newsletter is called After Babel.

This episode contains strong language.

Mentioned:

“She Fell in Love With ChatGPT. Like, Actual Love. With Sex.” by The Daily

The Age of Addiction by David T. Courtwright

“Have Smartphones Destroyed a Generation?” By Jean Twenge

Stolen Focus by Johann Hari

Book Recommendations:

The Stoic Challenge by William B. Irvine

Deep Work by Cal Newport

How to Win Friends and Influence People by Dale Carnegie

Thoughts? Guest suggestions? Email us at ezrakleinshow@nytimes.com.

You can find transcripts (posted midday) and more episodes of “The Ezra Klein Show” at nytimes.com/ezra-klein-podcast. Book recommendations from all our guests are listed at https://www.nytimes.com/article/ezra-klein-show-book-recs.

This episode of “The Ezra Klein Show” was produced by Jack McCordick. Fact-checking by Mary Marge Locker and Kate Sinclair. Mixing by Isaac Jones, with Efim Shapiro and Aman Sahota. Our executive editor is Claire Gordon. The show’s production team also includes Michelle Harris, Rollin Hu, Elias Isquith and Kristin Lin. Original music by Pat McCusker. Audience strategy by Kristina Samulewski and Shannon Busta. The executive producer of New York Times Opinion Audio is Annie-Rose Strasser.

Unlock full access to New York Times podcasts and explore everything from politics to pop culture. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify.

The so-called Department of Government Efficiency is great branding. Who could be against a more efficient government? But “efficiency” obfuscates what’s really happening here.

Efficiency to what end? Elon Musk, President Trump and DOGE’s boosters have offered various objectives — cutting the deficit, eliminating fraud and abuse, creating a leaner and more responsive government. But DOGE’s actions in the past two months don’t seem to align with any of those goals.

Santi Ruiz is the senior editor at the Institute for Progress and the author and host of the “Statecraft” podcast and newsletter. He’s to my right politically and had higher hopes, at first, about DOGE’s efforts, but he’s now grappling with the reality of what it’s actually doing.

This episode contains strong language.

Mentioned:

“50 Thoughts on DOGE” by Santí Ruiz

“How to Defend Presidential Authority” by Santí Ruiz

“The Anti-D.E.I. Crusader Who Wants to Dismantle the Department of Education” by Ross Douthat

Book Recommendations:

Stalin’s War by Sean McMeekin

Back from the Brink by Peter Moskos

Power And Responsibility by Romano Guardini

Thoughts? Guest suggestions? Email us at ezrakleinshow@nytimes.com.

You can find transcripts (posted midday) and more episodes of “The Ezra Klein Show” at nytimes.com/ezra-klein-podcast. Book recommendations from all our guests are listed at https://www.nytimes.com/article/ezra-klein-show-book-recs.

This episode of “The Ezra Klein Show” was produced by Rollin Hu. Fact-checking by Michelle Harris with Mary Marge Locker and Kate Sinclair. Mixing by Isaac Jones, with Efim Shapiro and Aman Sahota. Our executive producer is Claire Gordon. The show’s production team also includes Elias Isquith, Kristin Lin and Jack McCordick. Original music by Pat McCusker. Audience strategy by Kristina Samulewski and Shannon Busta. The executive producer of New York Times Opinion Audio is Annie-Rose Strasser. Special thanks to Switch and Board Podcast Studio, Ryan Bourne, Rohan Grey, Don Moynihan, Quinn Slobodian and Jennifer Pahlka.

Unlock full access to New York Times podcasts and explore everything from politics to pop culture. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify.

To mark the release of our new book “Abundance,” my co-author Derek Thompson had me on his podcast, “Plain English,” to talk about it. We’re on book tour right now, so we’re doing a lot of talking about this book. But this conversation is different. It’s just Derek and me, and we get into the story of how the book came together, and all the people and ideas that influenced us – a kind of intellectual history of the abundance agenda. And I thought the audience of this show might find this interesting too.  

This episode of “Plain English” was recorded on March 11.

Mentioned:

“Abundance” by Ezra Klein and Derek Thompson

“Abundance” book tour

“The Political Fight of the Century” by Derek Thompson

“The Economic Mistake the Left Is Finally Confronting” by Ezra Klein

This episode contains strong language.

Unlock full access to New York Times podcasts and explore everything from politics to pop culture. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify.

In a couple weeks, the archives of our show will only be available to subscribers. Here’s why that’s happening and what to expect. 

To learn more, go to nytimes.com/podcasts.

Unlock full access to New York Times podcasts and explore everything from politics to pop culture. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify.

Every Tuesday and Friday, Ezra Klein invites you into a conversation about something that matters. How do we address climate change if the political system fails to act? Has the logic of markets infiltrated too many aspects of our lives? What is the future of the Republican Party? What do psychedelics teach us about consciousness? What does sci-fi understand about our present that we miss? Can our food system be just to humans and animals alike?

Subscribe wherever you listen to podcasts.

You can find transcripts (posted midday) and more episodes of "The Ezra Klein Show" at nytimes.com/ezra-klein-podcast, and you can find Ezra on Twitter @ezraklein.

Thoughts? Guest suggestions? Email us at ezrakleinshow@nytimes.com.

“The Ezra Klein Show” is produced by Rogé Karma and Jeff Geld; fact-checking by Michelle Harris; original music by Isaac Jones; mixing by Jeff Geld.

Unlock full access to New York Times podcasts and explore everything from politics to pop culture. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify.