Contributor(s): President Dmitry Anatolyevich Medvedev | Dmitry Anatolyevich Medvedev was elected President of the Russian Federation in March 2008. In November 2005 he was elected First Deputy Prime Minister, previous to this he was Chief of Staff of the Presidential Executive Office.

Contributor(s): Professor Peter Singer | We live in a world of great affluence as well as extreme poverty, and in which the rich nations play a disproportionate role in changing the planet's climate, from which the poor will suffer most. What values would best guide us to a more just and...

Contributor(s): Professor Jeffrey D Sachs | The G20 Summit is the world's key venue for addressing the current global crisis. Yet there are profound questions facing the Summiteers. What are the underlying causes of the global crisis? What are the priorities to speed economic recovery? How should...