Pentagon-Anthropic Standoff Is a Decisive Moment for How A.I. Will Be Used in War

The Pentagon’s contract dispute with Anthropic is part of a wider clash about the use of artificial intelligence for national security and who decides on any safeguards.The Pentagon has said that a private contractor cannot decide how its tools will be lawfully used for national security.

A Adam Satariano, Julian E. Barnes and Sheera Frenkel

Pentagon Attacks Anthropic Chief as Deadline Looms in Standoff

The A.I. firm had rejected military officials’ latest offer. Anthropic has until 5:01 p.m. on Friday to give them unrestricted access to its model.“In a narrow set of cases, we believe A.I. can undermine, rather than defend, democratic values,” Dario Amodei, the chief executive of Anthropic, said in

J Julian E. Barnes and Sheera Frenkel

4 Takeaways About the U.S. Birthrate Decline

There is good news buried behind the worries about population decline, some experts say.The U.S. birthrate, which is at a record low, has caused consternation among policymakers and politicians.

S Sabrina Tavernise

Mapping the Risks of Attacking Iran

Our national security correspondent David E. Sanger maps Iran’s options for retaliation if the United States or Israel strikes.

D David E. Sanger, Coleman Lowndes, Abdi Latif Dahir, Samuel Granados, Stephanie Swart, Lazaro Gamio and Ray Whitehouse

Iran’s Students Are Protesting Again. Here’s Why.

The unrest underlines the intensity of domestic discontent, even as Tehran’s government grapples with the threat of U.S. strikes. Here’s what to know.An image taken from social media on Monday shows students gathering for an anti-government rally at the women-only Al Zahra University in Tehran.

S Sanam Mahoozi and Erika Solomon

A Trump Call Ignited Saudi-U.A.E. Feud

A request made to President Trump about the war in Sudan is at the heart of a diplomatic dispute between Saudi Arabia and the United Arab Emirates.President Trump and Crown Prince Mohammed bin Salman of Saudi Arabia at an investment forum in Washington in November.

V Vivian Nereim

The Benevolent Landlord of St. Marks Place

For 60 years, Charles FitzGerald has helped make the East Village an emblem of New York City’s counterculture.Charles FitzGerald in his apartment on St. Marks Place, where he has lived for more than half a century.

A Alessandra Schade and Amir Hamja

Trump’s Go-To Tactic in the State of the Union

Our reporter Zolan Kanno-Youngs examines the context of a moment in the State of the Union speech when President Trump turned to a favorite tactic on immigration.

Z Zolan Kanno-Youngs, Gilad Thaler, Thomas Vollkommer, Laura Salaberry and Ray Whitehouse

Pentagon Fires Another Laser at a Drone, Prompting a New Air Closure

After the downing of a Customs and Border Protection drone, the F.A.A. closed the airspace above Fort Hancock, Texas.A police officer walked with a police dog at El Paso International Airport, after the U.S. Federal Aviation Administration lifted its temporary closure of the airspace over El Paso ea

K Karoun Demirjian, Kate Kelly, Eric Schmitt and Chris Cameron

Prosecutors Plan to Drop Some Charges Against Alexander Brothers

A federal judge must decide whether she will approve the request. Prosecutors cited a pattern of intimidation against witnesses as a reason for dropping some of the charges in the sex-trafficking trial.Federal prosecutors have argued that the three brothers violently raped and sexually assaulted doz

D Debra Kamin and Kate Christobek

What Larry and David Ellison Would Own After Warner Bros. Takeover

If Paramount can close its deal to buy Warner Bros. Discovery, Larry and David Ellison will influence nearly every corner of news, entertainment and tech.Larry and David Ellison are poised to own a portfolio of companies that would put them in the orbit of superpowers like Disney.

J John Koblin and Brooks Barnes

For CNN, a Takeover by Paramount Means a Suddenly Uncertain Future

Paramount’s apparent victory over Netflix in securing Warner Bros. Discovery has led to concerns within the CNN newsroom.Mark Thompson, CNN’s chief executive, urged staff members not to “jump to conclusions” about Paramount’s offer for the network’s parent, Warner Bros. Discovery.

M Michael M. Grynbaum and John Koblin

The Rise and Fall of a 3-D Printing Empire

Desktop Metal, a billion-dollar start-up, promised to revolutionize manufacturing. It went bankrupt, and now has much humbler ambitions as the 3-D printing industry takes a sober turn.Jonah Myerberg, co-founder and chief technology officer at Desktop Metal, with one of the company’s industrial 3-D m

F Farah Stockman