Plus, chatbots told scientists how to make bioweapons.  Here’s what we’re covering: In Narrowing Voting Rights Act, Conservative Justices See Progress on Racism, by Adam Liptak Takeaways From Hegseth’s Testimony on Iran War and His Tenure, by John Ismay and Megan Mineiro Oil Price Surges as Effects of War Reverberate, by Emmett Lindner A.I. Bots Told Scientists How to Make Biological Weapons, by Gabriel J.X. Dance Lester Wright, the Fastest Known Centenarian, Dies at 103, by Jeré Longman 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.