States are cracking down on online porn—but is it working? The researcher Zeve Sanderson explains how age-verification laws backfire, why teens outsmart them, and what that means for the future of internet regulation. Further reading: “Do Age-Verification Bills Change Search Behavior? A Pre-Registered Synthetic Control Multiverse,” by David Lang, Zeve Sanderson, et al. “The Online Porn Free-for-All Is Coming to an End,” by Marc Novicoff Get more from your favorite Atlantic voices when you subscribe. You’ll enjoy unlimited access to Pulitzer-winning journalism, from clear-eyed analysis and insight on breaking news to fascinating explorations of our world. Subscribe today at TheAtlantic.com/podsub. Learn more about your ad choices. Visit megaphone.fm/adchoices