Killing of Cartel Boss Sets Off Chaos in Mexico, and Trump Has a New Plan for Tariffs

Plus, a shooting at Mar-a-Lago. Here’s what we’re covering: Mayhem Rocks Mexico After Most-Wanted Cartel Boss Is Killed, by Jack Nicas and Paulina Villegas What’s Happened Since the Supreme Court’s Tariff Ruling, by Kim Bhasin Iran Could Direct Proxies to Attack U.S. Targets Abroad, Officials Warn, by Eric Schmitt T.S.A. Says PreCheck Will Remain Operational at Airports, by Madeleine Ngo and Yan Zhuang Armed Man Is Fatally Shot at Mar-a-Lago, Secret Service Says, by Minho Kim, Sonia A. Rao and Tyler Pager Winter Storm Intensifies Across Eastern Seaboard, by Yan Zhuang and Andy Newman Tune in every weekday morning, and tell us what you think at: theheadlines@nytimes.com. 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.