Last night, President Trump welcomed Xi Jinping, China’s top leader, in a lavish ceremony as he arrived for two days of closely watched negotiations. Artificial intelligence — and what, if any, role the countries should play in regulating it as concerns mount about its risks — is expected to be on the agenda. David E. Sanger, a White House correspondent for The New York Times, explains how nuclear nonproliferation could be a model for how to protect humanity from technological catastrophe. Guest: David E. Sanger, the White House and national security correspondent for The New York Times. Background reading:  • Mr. Trump greeted Mr. Xi (https://www.nytimes.com/live/2026/09/23/us/trump-xi) for a state visit amid tensions. • Video: Mr. Trump and Mr. Xi face the A.I. race (https://www.nytimes.com/video/us/100000011159994/trump-and-xi-face-the-ai-race.html) . • Analysis: As fears of A.I. catastrophe magnify, (https://www.nytimes.com/2026/09/13/us/politics/ai-catastrophe-fears-washington.html) Washington stirs, but mostly slumbers. Photo: Haiyun Jiang/The New York Times For more information on today’s episode, visit nytimes.com/thedaily (http://nytimes.com/thedaily?smid=pc-thedaily) . Transcripts of each episode will be made available by the next workday. Subscribe today at nytimes.com/podcasts (http://nytimes.com/podcasts) or on Apple Podcasts, Spotify and Amazon Music. 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.