Donald J. Hall, 96, Dies; Expanded Hallmark Beyond Greeting Cards

The sudden popularity of the Chinese chatbot drove a huge plunge in shares of Nvidia. But other A.I. powerhouses rallied. Here’s why.

President Trump said Friday that he was tasking other government entities with core functions of the Education Department as he moves to dismantle an agency […]

As the city’s corporation counsel under Mayor Michael Bloomberg, he defended stop-and-frisk policing and a ban on smoking in bars and restaurants.