Although no two major powers have openly fought in over three-quarters of a century, growing tensions between the United States, China, India, and Russia threaten renewed conflict. CFR’s Paul B. Star…

Overview The authors examine U.S. efforts to prevent illegal immigration to the United States. Although the United States has witnessed a sharp drop in illegal border crossings in the past decade …

To stave off climate-induced instability in Central America, national governments and regional and international organizations all have a role to play to develop both immediate crisis response and lo…