Ukraine's president visited Mar-a-Lago Sunday. NPR's Leila Fadel talks to former Pentagon official Evelyn Farkas, now executive director of the McCain Institute, about prospects for peace.

The Pentagon has just signed a deal with Elon Musk’s xAI, locking in a plan to plug powerful new AI models into the War Department’s internal system, GenAI.mil, according to a press release on Monday.

The U.S. Defense Department on Wednesday said it was exercising an option to award Humana a $7.3 billion deal for health care and administrative support services.

Officials initially weighed sending survivors of U.S. attacks on boats suspected of drug smuggling to a notorious prison in El Salvador, to keep them away from American courts. Officials initially ...