The U.S. declaration that the Islamic State has committed genocide must be followed by prosecutions to deter future abuses, says expert Naomi Kikoler.

A cease-fire agreement in Syria may not be the turning point its international backers have claimed it is, says expert Noah Bonsey.

The Obama administration has other methods to pursue a binding international agreement on climate change in Paris that fall short of a treaty, says CFR’s John B. Bellinger III.

The battle for Kunduz highlights the military and political challenges facing Afghanistan and the narrowly defined U.S. mission there, says CFR’s Stephen Biddle.

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…