Kimberly Marten outlines how U.S. policymakers can deter Russian aggression with robust support for NATO, while reassuring Russia of NATO’s defensive intentions through clear words and actions based in international law.

Overview The price of U.S. and EU inaction in the western Balkans was amply illustrated in the 1990s, as opportunities for preventive action were squandered and the former Yugoslavia descended int…

Botnets—groups of computers infected with malicious software often used for crime—cost the economy billions of dollars each year. Technology makers, ISPs, cybersecurity companies, and law enforcement need to work together across the globe to fight botnets.

Overview Pakistan constitutes one of the most important and difficult challenges facing U.S. foreign policy. What is at stake is considerable by any measure. Pakistan is the world's second-most-po…

Overview The militant Islamist group Boko Haram's increasingly bold attacks in Nigeria—most notably its April kidnapping of nearly three hundred female students—threaten to fuel further Muslim-Chr…