In many campaigns, one candidate or another is asked to answer for comments he or she made in the past. The answer is usually gibberish - 'That was a long time ago,' or 'I was trying to say something else.'

Opinion pages have an impact on public debate, and they sometimes reveal things the government would rather have kept quiet.

The 24/7 nature of online debate, on the web and across social media, has allowed for more vibrant discussion of the opinions we publish - and your own.

I have sometimes thought the power of computers had exceeded our ability to use them, but Mr. Jobs and his team kept giving us devices that made indispensable things easier in ways you never thought of.

I never talk about my money! It is interesting how awkward it is to talk about it, even though I talk about it in the abstract every day.

In the past there were various suggestions in the framework of financial and other agreements to benefit with Iran. But Iran interpreted those suggestions in a mistaken way and deceived the international community.

Sequestration was not designed to be anyone's ideal method for getting our hands around government spending, and it certainly isn't mine.

Politics lives in people, ideas live in people, they live in the concrete struggles that people have.