Stephen Colbert's recent comment is apropos: When the Republican legislature of North Carolina responded to a scientific study predicting a threatening rise in sea level by barring state and local agencies from developing regulations or planning documents to address the problem, Colbert responded: "This is a brilliant solution. If your science gives you a result that you don't like, pass a law saying the result is illegal. Problem solved."

Science talks about very simple things, and asks hard questions about them. As soon as things become too complex, science can't deal with them... But it's a complicated matter: Science studies what's at the edge of understanding, and what's at the edge of understanding is usually fairly simple. And it rarely reaches human affairs. Human affairs are way too complicated.

Markets are lethal, if only because of ignoring externalities, the impacts of their transactions on the environment.

There is Pakistan's relationship with Afghanistan which will also be a very tricky issue in the coming years. Then there is a large part of Pakistan which is being torn apart from American drone attacks. The country is being invaded constantly by a terrorist superpower. Again, this is not a small problem.

You can go into the Library of Congress and find information on just about anything, but that doesn't do you much good unless you know what you are looking for.

Should a community... be free to enact legislation to say they don't want blacks? Now that's illegal. Fifty years ago it was legal. Is that progress or is that regress?

In Kosovo, the U.S. has chosen a course of action that escalates atrocities and violence. It is also a course of action that strikes a blow against the regime of international order, but which offers the weak at least some protection from predatory states.