Afghanistan’s unity government has made progress on reform but remains dogged by endemic corruption and a resilient insurgency.

The Republican presidential candidates are aligned on most foreign policy issues, but they could quarrel over immigration and the Iran nuclear deal in their first debate, says CFR’s James M. Lindsay…

Any comprehensive deal on Iran’s nuclear program would require intrusive international inspections. Expert Christopher Bidwell surveys the technical and political challenges.

NATO’s response to Russia’s annexation of Crimea may require it to bolster eastern European members with both military and non-military actions, says expert Christopher S. Chivvis.