Every weekday, NPR's best political reporters are there to explain the big news coming out of Washington and the campaign trail. They don't just tell you what happened. They tell you why it matters.

Chinese customs authorities told customs agents this week that Nvidia's H200 artificial intelligence chips are not permitted to enter China, according to three people briefed on the matter.

What can Copilot do for you? It can generate emails, reports, stories, and even code. The AI is able to analyze uploaded images, PDFs, text files, and Microsoft Office documents. Copilot’s image ...