What’s in store next year for the global economy? Five experts weigh in on the challenges facing the eurozone, the fragility of emerging markets, and the prospects for clean energy.

The eurozone crisis is expected to dominate the upcoming G20 leaders’ summit, as the organization works to stay relevant and move forward on a full agenda, says this Expert Roundup.

Upcoming negotiations are shadowed by Iran’s increasing uranium enrichment capabilities. Four nonproliferation experts provide a path for resolving the intensifying nuclear dispute.

Prices at the pump are emerging as a significant U.S. election issue. Five experts offer a range of policy options, from lowering regulations to encouraging less consumption.

Osama bin Laden’s death has raised pointed questions over the legitimacy of Pakistan’s counterterrorism efforts and the viability of its relationship with the United States. Four experts discuss whet…