Our biggest challenge in this new century is to take an idea that seems abstract - sustainable development - and turn it into a reality for all the world's people

Invite politicians to dinner and let them tell the world how delicious it is. . . . They will proudly go around and say, 'I ate crickets, I ate locusts, and they were delicious.'

Above all else, we need a reaffirmation of political commitment at the highest levels to reducing the dangers that arise both from existing nuclear weapons and from further proliferation.

The young and dynamic and idealistic people in the square do not have the chance to organise themselves politically, to be able to follow through their dreams in six months time, to play an effective role in the future.

I think what gives me hope is I have the sense that the people of Kenya have turned the page. They are keen to get a new political dispensation. They are keen to fight corruption and impunity, and in that sense they are leaving the political elite behind.

We tend to look at countries in terms of failed states and functioning states, which is rather simplistic.

Revolution by its nature can not be overly programmed or directed. There are so many forces at work that you don't know where and how it all ends.