This is CBS Eye on the World.

Here's John Batchelor.

This is CBSI on the world.

I'm John Batchelor.

NVIDIA, the most valuable company on the New York Stock Exchange on the NASDAQ anywhere,

Nvidia, $4 trillion plus.

What is it?

It's one man, Jensen Wang, a migrant from Taiwan, who first came to America,

cleaning toilets and cabins in Kentucky.

That's right.

This is an extremely hardworking young man who is now

the head of a $4 trillion plus business, but there is the geopolitics of the world. And one of the

parts that recently was a wall for NVIDIA to continue to grow was China. I welcome

Brendan Weikert. He's

of the national interest, the senior

national security correspondent,

as well as part of the National

Interest Fellowship. However,

I call upon him to help us all

understand what the

blockage was that's now been lifted about a chip,

a chip that is the highest end that Nvidia now produces. There are other ones in the pipeline,

...