The post-Cold War order in Europe is finished, with Vladimir Putin its executioner. Russia's invasion of Georgia only marked its passing. Russia has emerged as a born-again 19th-century power determined to challenge the intellectual, moral and institutional foundations of the order.

Authoritarianism is not pretending anymore to be a real alternative to democracy, but we can see many more authoritarian practices and styles basically being smuggled into democratic governments.

Remember, until the 1970s, the spread of democracy has always been accompanied by the decline of inequality. The more democratic our societies have been, the more equal they have been becoming. Now we have the reverse tendency. The spread of democracy now is very much accompanied by the increase in inequality.

What makes me worry today is the alarming decline in the trust in democratic institutions - political parties, Parliaments, political leaders. Less and less people are going to the polls in most advanced democracies.

Fitness is important, but the most important thing is how you adapt and the way you feel physically. To adapt to a new position. To try to change your game.

To settle space, we will have to develop the ability to harvest and utilize the resources of the solar system, such as ores, ice, and the rays of the sun itself at levels of efficiency that will transform our relationship to our own planet Earth.

The Fourth Industrial Revolution demands that CEOs take responsibility for the massive transformation of their businesses and for the extraordinary impact that this transformation will have on wider society.

I think that identity and sort of the brand - I hate that word - the brand of the musician should be malleable. It should change, and it should grow.