Steven A. Tananbaum Senior Fellow for International Economics Robert Kahn argues that while new collective action clauses are a step forward in dealing with sovereign debt crises, countries must work to change old debt that lacks the clauses to the new standard as quickly as possible.

Steven A. Tananbaum Senior Fellow for International Economics Robert Kahn argues that China's growth prospect lies somewhere between hard-landing and muddle-through scenarios. However, uncertainty remains and is already being felt strongly and likely to put increasing pressure on emerging markets through trade contraction and financial contagion. For the United States, fragility in emerging markets is the critical risk and will dominate economic decision-making for months if not years to come.

The interactive Invisible Armies Insurgency Tracker presents a database of insurgencies from 1775 to 2012. It supplements the comprehensive historical narrative in Invisible Armies: An Epic History o…