Lakshmi Singh

Trump has denied accusations against him and has categorically denied having any knowledge, that is, of Epstein's crimes.

The U.S.

is engaging in a third round of negotiations today to convince Iran to halt its uranium enrichment.

The talks in Geneva are indirect.

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%.