Russia’s military buildup in Syria could set back the self-proclaimed Islamic State and lay the groundwork for a political transition, but could also lead to a confrontation with the United States, s…

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…

In the wake of the deadly attacks on the WorldTrade Centerand the Pentagon last September, Americans were suddenly acquainted with a new vocabulary—names like “Osama bin Laden” and phrases like “weap…