We all make mistakes.

In some ways, the challenges are even more daunting than they were at the peak of the cold war. Not only do we continue to face grave nuclear threats, but those threats are being compounded by new weapons developments, new violence within States and new challenges to the rule of law.

Like any large organisation, public or private, the UN is a complex machine.

The Millennium Development Goals can be met by 2015, but only if all involved break with business as usual and dramatically accelerate and scale up action now.

To live is to choose.

When things are really desperate and hopeless and you can't do anything about this, and there's a sense that something must be done, that is something usually leads to the U.N.

In an era of global abundance, our world has the resources to reduce dramatically the massive divides that persist between rich and poor, if only those resources can be unleashed in the service of all peoples.