It's not just Bin Laden or just those that are involved in the counterterrorism effort. We've gotta cast the net broader than that. But I think it's a - very special tribute that we all owe to the bravery and courage of the men and women in the intelligence and military business who performed so well to finally get it done.

If we have reason to believe someone is preparing an attack against the U.S., has developed that capability, harbours those aspirations, then I think the U.S. is justified in dealing with that, if necessary, by military force.

In terms of asking questions, I plead guilty. I ask a hell of a lot of questions. That's my job.

My own belief is that the way we grow the economy, create jobs, create wealth is in the private sector. The government doesn't do that.

Back in my day, I would probe by hand. Now you can get commercial software that does the job for you.

I believe that people are too complacent about technology.

Education must be the only sector that hasn't already been completely revolutionized by technology.

Many science-fiction writers, such as Gregory Benford, are working scientists. Many others, such as Joe Haldeman, have advanced degrees in science. Others, like me, have backgrounds in science and technology journalism.