Dr. Karel Culik is an outstanding applied mathematician, a specialist in algebra, logic, computer sciences and mathematical linguistics. In 1965, he visited the linguistics research program at MIT, and we have worked together on several projects since.

The truth is, I have absolutely no professional credentials - literally, which is why I'm teaching at MIT.

As a research tool, the internet is invaluable.

Terrorists regard themselves as a vanguard. They're trying to mobilize others to their cause. I mean, every specialist on terrorism knows that.

One of the best predictors of policy around is Thomas Ferguson's investment theory of politics, as he calls it - very outstanding political economist - which essentially - I mean, to say it in a sentence, he describes elections as occasions in which groups of investors coalesce and invest to control the state.

There are nuclear-weapons-free zones in several parts of the world already, except that they're not implemented fully, because the U.S. won't allow it.