Why should Iran have a deterrent strategy? Well, it's surrounded by hostile enemies. Both of its borders have been under occupation by a hostile superpower, the United States, which is constantly violating the U.N. charter by leaving open what they call the saying, 'all options are open' - meaning the threat of war.

It is a privilege to join the campaign to support Bradley Manning for his courage and integrity in serving his country by helping make the government accountable to its citizens, and to inform the world of what its people should know.

The European reaction to Obama is a European delusion.

One contribution scientists can and should make is to be clear and explicit about the limits of scientific understanding, a matter that is particularly important in societies where people are trained to defer to alleged experts.

Technology provides means for expression and interchange and so on, so yes it should be free and open, but there are a lot of constraints on how its used.

What's the point of being better than someone else?

If something comes along that you don't like, there are a few sort of four-letter words that you can use to push it out of the sphere of discussion. If you were in a bar downtown, they might have different words, but if you're an educated person what you use are complicated words like "conspiracy theory" or "Marxist." It's a way of pushing unpleasant questions off the agenda so that we can continue in our own happy ideology.