If anybody thinks they should listen to me because I'm a professor at MIT, that's nonsense. You should decide whether something makes sense by its content, not by the letters after the name of the person who says it.

The threat and use of violence is stimulating nuclear proliferation along with jihadi terrorism.

NAFTA and GATT are quite similar. They both have highly protectionist elements. They're kind of a mixture of liberalization and protection designed to expand the power of transnational corporations. They're very basically investor's rights agreements. One crucial part in both is the "intellectual property right," which is a funny way of saying that corporations, like pharmaceutical companies, will have near-monopolistic rule over future technology. This now includes product as well as process rights.

The world is a very puzzling place. If you're not willing to be puzzled, you just become a replica of someone else's mind.

As far as Marx's analysis of capitalism, there's a lot of very useful ideas in it, but he's developing an abstract model of 19th century capitalism. It's abstract and it's changed.

I have no Facebook page or Twitter - I don't participate in it, and I don't like it particularly. I mean, it's a form of interaction, which strikes me as extremely superficial.

If the United States loses the economic weapons of control, it is very much weakened.