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.

The new Pentagon strategic plan calls for a more mobile, modern U.S. military capable of meeting threats posed by non-state actors like al-Qaeda. Cfr.org inteviews four military experts for their vie…

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

Four experts weigh in on the role of free trade in driving U.S. economic growth and competitiveness amid high U.S. unemployment and a faltering global economic recovery.

Five global think tank leaders examine the increasingly complex global challenges and the role of the international community in confronting them.