This is CBS Eye on the World.

Here's John Bachelorette.

My colleague in co-host Gordon Chang at Gordon G. Chang, nuclear weapons in the 21st century,

the headline in London, Financial Times, US to withhold nuclear data from Russia in escalation

of tensions.

Bobhead Move comes after Moscow suspended its participation in New Start Treaty to help

us untangle these very alarming events.

We welcome Peter Husey, senior fellow at the Hudson Institute, who's been our guide

on nuclear weapons.

His institutional memory is valuable, but right now we're moving into uncharted territory.

It's not the Cold War.

It doesn't have a name yet.

Yet, Peter, a very good evening to you.

US is depriving Russia of data that's been routinely exchanged since the end of the Cold

War.

What does it mean?

What data?

Good evening, Peter.

Good evening, John, and good evening, Gordon.

The data is where our warheads are, where our bombers are, submarines and our land-based

missiles, what bases and the number that's required under the New Start Treaty.

They're not going to change much, literally.

...