Global governance is the reality of the contemporary world. The Group of Seven (G7) and Group of Eight (G8) and the Group of 20 (G20) are indispensable institutions of contemporary global governance, and global governance institutions should be answerable for their actions (or inactions)...

Since November 2008, G20 leaders have been meeting to discuss and act on matters of global urgency, with economic and financial matters taking centre stage. At their four summits, hundreds of commitments have been made, including refraining from raising new trade barriers, cracking down on tax...