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.

I observe a lot. I see a lot around me.

I urge the Iraqi leadership for sake of its own people... to seize this opportunity and thereby begin to end the isolation and suffering of the Iraqi people.

To educate girls is to reduce poverty.

It's not that easy to quit. When you look back in the American system it is very rare that people quit on issues of principle.

Young people - with their dynamism, their energy and their inherent understanding of our interconnected world - have much to teach us. Increased educational attainment, advances in technology and the spread of information have made this generation the best educated, most connected and most informed in history

UN is made even more complex by the constant interplay of politics and bureaucracy and can certainly be bewildering for a novice.