There is a degree of laziness and political correctness which has crept into the justice system. Many judges are appointed not elected. They don't want to offend. Instead of making a decision, they 'cut the baby in half' and everyone is left being a little bit miserable. I don't like to cut the baby in half and while I can certainly see more grey areas in the world, my job as a judge is to say, 'you're right, and you're wrong…'

In my view, all the big existential risks are anthropogenic, arising out of human activity. More specifically, the biggest existential risks in this century arise out of anticipated future technological advances.

It certainly plays a much bigger role than was ever intended to. A number of financial institutions and contracts rely on LIBOR as the benchmark by which other rates are set. I don't think it was ever intended that LIBOR would play such a central role between so many institutions and contracts.

I first heard about Twitter through a journalist friend of mine called India Knight. She said, 'it's fantastic, like a cocktail party where all of your best friends have turned up!'- she was right, it was like that, for about 15 seconds.... It did feel like a lot of people I knew were being really nice and just chatting on this thing... as if Silicon Valley had come up with a digitised, virtual version of a pleasant conversation!

What was broken in journalism was not a lack of demand for good stories nor a lack of journalists or the format of stories and distribution – the thing that was broken was the business model.