A summit hosted by the Obama administration one year ago has spurred momentum on global nuclear security measures. But the United States must lead efforts to redouble commitments on preventing the pr…

The annual rotation of non-permanent members to the UN Security Council this year is likely to present difficulties for U.S. interests, including containing nuclear proliferation, writes CFR’s Kara C…

Health experts are already calling 2015 one of the most complicated ever for influenza outbreaks, and the prevalence of lethal strains normally found in birds is especially troubling, writes CFR’s La…

As the presidential debate season opens, expect plenty of contrasts between how Hillary Clinton and Donald Trump view U.S. interactions in the world, writes CFR’s Elizabeth Saunders.