Giles Snyder

A federal judge has ruled in favor of the artificial intelligence company Anthropic and the company's fight with the Pentagon.

The judge in San Francisco has temporarily blocked the Pentagon from labeling Anthropic a supply chain risk.

And Judge Rita Lynn also blocked President Trump's directive ordering all federal agencies to stop using Anthropic.

New research, meanwhile, finds AI chatbots tend to flatter users and validate their viewpoints or feelings, leading to problematic outcomes.

Sorry, Daniel reports.

Wall Street has suffered its worst drop since the Iran war began at the end of last month.

The S&P 500 fell 1.7 percent Thursday and is on track for a fifth straight losing week.

The Dow dropped 1 percent and the Nasdaq composite fell 2.4 percent, putting it down more than 10 percent from its record high close back in October.

This is NPR News.

Live from NPR News, I'm Giles Snyder.

Amid uncertainty about talks between the U.S.

and Iran, the Trump administration is moving more troops to the Middle East.

A contingent of Marines on their way to the region and paratroopers from the 82nd Airborne Division are preparing for deployment, as NPR's Tom Bowman reports.

President Trump repeated Wednesday that Iran is interested in cutting a deal, but Iran has dismissed a ceasefire plan.

And Iranian Foreign Minister Abbas Arakhchi said on state television that Iran has no intention of negotiating for now.

As a war in Iran led by the U.S.

and Israel nears a one-month mark, conservatives across the country are gathering at CPAC.

The conservative convention is being held near Dallas-Fort Worth in Texas.

The Texas newsroom's Blaise Ganey has more.

The White House is poised to miss a deadline for naming a new leader at the nation's top public health agency.