The question in brief, is whether democracy and freedom are values to be preserved or threats to be avoided . . . democracy and freedom are more than values to be treasured; they may well be essential to survival.

The costs of the Bush-Obama wars in Iraq and Afghanistan are now estimated to run as high as $4.4 trillion - a major victory for Osama bin Laden, whose announced goal was to bankrupt America by drawing it into a trap. The 2011 military budget - almost matching that of the rest of the world combined - is higher in real terms than at any time since World War II and is slated to go even higher .

We use the official definitions of terrorism. The definitions in the U.S. code, in British law, in U.S. Army manuals and so on. And if you use those definitions it follows instantly that the United States is the leading terrorist state in the world.

One of the real problems of society is that its far too atomized, what sociologists call secondary associations.

For the past century or so that's [ Monroe Doctrine] actually been true, but it's declining very significantly.

There is a noticeable general difference between the sciences and mathematics on the one hand, and the humanities and social sciences on the other. It's a first approximation, but one that is real. In the former, the factors of integrity tend to dominate more over the factors of ideology. It's not that scientists are more honest people. It's just that nature is a harsh taskmaster. You can lie or distort the story of the French Revolution as long as you like, and nothing will happen. Propose a false theory in chemistry, and it'll be refuted tomorrow.

I have never suggested any principled difference between the natural and social sciences.