The threat posed by the al-Qaeda-Taliban relationship is a crucial element in U.S. strategic planning in Afghanistan. Four experts explore the changing nature of these sometimes murky ties.

In his address to the nation on Tuesday, U.S. President Barack Obama laid out a strategy he says will turn the tides in the faltering Afghan war effort. Five experts analyze his approach.

How can the United States improve its aging infrastructure to maintain its global economic competitiveness? Four experts offer their suggestions and discuss the implications of inaction.

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

On Friday, President Donald J. Trump will start a two week trip that includes visits to Japan, South Korea, China, Vietnam, and the Philippines. Recent resources from the Council on Foreign Relations…