As the U.S. military formally ends operations in Iraq, four top expert voices in the debate on the war differ over whether it merited the cost in blood, treasure, and U.S. credibility.

Can Haiti rebuild better, with improved stability and prosperity? Four top experts stress different approaches to enable Haitians to rebuild and sustain their economy and public sector.

Four CFR fellows weigh in on the effectiveness of the State Department’s Quadrennial Diplomacy and Development Review recommendations.

The worst oil spill in U.S. history, still growing in the Gulf of Mexico, has intensified debate about alternative fuel options. Here, four experts discuss how to reduce U.S. oil consumption.

President Obama’s first National Security Strategy departs from Bush administration doctrine by redefining the war against terror groups and embracing multilateralism, and may expect too much from gl…