'We Were Stunned' By North Korean Nuclear Facility, U.S Scientist Says

"We walked over to the window and that's where we were stunned, because we saw row after row after row of centrifuges."

So says Robert Carlin, one of three Stanford University scientists who reported over the weekend about what they said is a "modern, small industrial-scale uranium enrichment facility with 2,000 centrifuges" at Yongbyon, North Korea.

Robert Carlin On What He Saw In North Korea

Carlin spoke today with guest host Mary Louise Kelly for a segment on this afternoon's All Things Considered. Click here to find an NPR station that broadcasts or streams the show. Later, we'll add the as-aired version of their discussion to this post.

While relatively small, Carlin said, the facility "far exceeds what all the experts thought ... the North Koreans had."