Generals often find a way of dealing with generals on the officer-to-officer level. In the hierarchy of the military and with the almost similar structure and similar language, they find a way of dealing with each other.

As we move forward, you cannot resolve the potential food crisis or shortages without science being part of the solution. Science has to be part of the solution but African governments - and these are decisions for governments, whether they embrace or do not embrace genetically modified food - and for the moment, most African companies do not accept genetically modified seeds.

Sometimes in peacekeeping operations you show force in order not to use force - people realise that there's a pushback and there's a solid force there that's not going to be pushed around, that sometimes helps.

literacy is at the heart of sustainable development

We need to ensure the poorest in the planet - who will be hardest hit by the financial crisis - are not forgotten.

You saw the traumas that people lived through, and wondered what it will take to move us as a human community, as humanity, to help in these dangerous situations.

Whether our task is fighting poverty, stemming the spread of disease or saving innocent lives from mass murder, we have seen that we cannot succeed without the leadership of the strong and the engagement of all.