Lakshmi Singh

Oman is mediating.

Meanwhile, the Trump administration has ordered an unusually large military presence in the Middle East.

Jane Araf is following developments from Jordan.

Jana Raff reporting from Amman, Jordan.

Services will be held across the country starting today in Chicago for the late civil rights leader, Reverend Jesse Jackson.

Memorial events are also scheduled in Washington, D.C.

and South Carolina.

The two-time presidential candidate died last week at the age of 84.

From Washington, this is NPR News.

Demand for AI computer chips continues to soar.

NPR's Scott Horsley reports that helped fuel another blockbuster quarter for NVIDIA.

A new study in the journal Nature looks at the ability of scientists to make some artificial intelligence systems smaller and more efficient.

Here's NPR's John Hamilton.

U.S.

stocks are trading lower this hour.

The Nasdaq is down 371 points or more than 1.5%.

The S&P is off 66,000, down 188.

It's NPR.

Live from NPR News, I'm Lakshmi Singh.

President Trump's nominee for Surgeon General is seeking Senate confirmation, but Dr. Casey Means faced concerns at today's hearing about her qualifications and her refusal to publicly endorse support for vaccines to guard against severe illness or deaths during flu or measles outbreaks.