But what about terrorists? Do you think...

But what about terrorists? Do you think any of them will be able to sneak a nuclear weapon into the country? I'd hate to think of one going off in a place like Grand Central Terminal.

[...]

You know, you don't need all that much nuclear material to make a bomb. It would be easy to hide. And there seems to be so much of it that could get into the wrong hands. Think of all the countries in the world that never went through the Renaissance and the Enlightenment.