With the U.S. Senate set to consider ratification of President Obama’s new nuclear nonproliferation strategy, four experts assess the strengths and weaknesses of the New START agreement.

Afghanistan’s presidential election could be a democratic milestone, or may be marred by insurgent violence and fraud. Four experts weigh the election’s importance.

Experts forecast the five most consequential trends in 2012, following a year in which the global economy struggled amid high unemployment and mounting debt crises.

Four global experts assess Dr. Jim Yong Kim’s appointment as World Bank president and whether the institution needs governance reform.

With some findings of the UN’s Intergovernmental Panel on Climate Change in question, four experts debate how much the premier climate science review panel may need to make changes.