Experts say instability in south Sudan should be looked at in tandem with the crisis in Darfur, and some call for addressing Sudan’s problems in a more unified way to help forestall an escalation of …

The G20 meetings in Toronto will be marked by competing agendas on global growth and financial regulations. This Backgrounder looks at the range of policy concerns.

Leaders attending the Group of 20 summit in Pittsburgh will seek to forge agreements to buoy a global economic recovery and repair financial imbalances that contributed to the recession.

The handoff of foreign policy responsibility from one U.S. presidential administration to another has proven risky in many cases. The next transition occurs at a time of extraordinary global challeng…

A biographical timeline of past UN secretary-generals and their accomplishments.