Governments’ refusals to entertain the possibility of dialogue with groups such as al-Qaeda and the self-proclaimed Islamic State causes needless deaths, says expert Jonathan Powell.

The pope’s encyclical on the environment carries a profoundly religious message about care for the earth, wedded to a new call for activism, say religious scholars Mary Evelyn Tucker and John Grim.

As the deadline for an Iran nuclear deal approaches, the Obama administration’s security reassurances to Arab Gulf partners have fallen short of the mutual-defense treaty they seek, says expert Vali …

Despite the lack of foreign policy debate in the run-up to the UK general elections, pressing questions about the United Kingdom’s relationship with Scotland and the EU loom, says expert Richard G. W…

The opening of U.S. diplomatic ties with Cuba will bring real change to the island and raise Washington’s stature in the region, says CFR’s Julia Sweig.