Which policies have worked and which ones need work ten years after the worst terrorist attacks in U.S. history? CFR experts examine ten issues that have preoccupied U.S. planners.

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.

The nuclear deal inked by Iran and major powers has implications not just for proliferation, but Middle Eastern security as well. Five experts weigh in on what the deal means for regional powers and …