Growing inequality is exacerbated by the companies who simply treat workers as commodities, and our governments are cowered by their demands to perpetuate this model of greed.

We need economic growth, yes, but growth can be jobless, so a sustainable development framework for employment must include a job creation strategy.

Large swathes of people losing faith in democracy is a dangerous thing. Conflict, desperation, totalitarianism are the products of that loss of faith.

Politically, we have seen the impact of social media organizing people through the Arab Spring.

It's been an enormous privilege to be the government chief scientific adviser.

With obvious irony, many of the left-leaning privacy advocates who might cheer Apple's stand against the government's intrusion into its system, are now, as transparency advocates, on the side of the leakers of the Panama Papers.

We've got tax and regulatory policies in this country that are driving a lot of businesses overseas, and so I think there's a lot that we can do using principles of constitutionally limited government to help address people who share these concerns.

If I cry, it's about the personal loss of a friend or something like that. But when it comes to politics - no, I don't cry.