Featured Study/ New Book! Open Door: NATO and Euro-Atlantic Security After the Cold War, Daniel S. Hamilton and Kristina Spohr, eds., Johns Hopkins SAIS/Brookings Institution Press Europe - Divided Europe: As some regions thrive, others may never recover, ING EU - EU's East-West divide didn't have to be, Tomas Valasek, Politico Russia - Report: The Kremlin's Political Prisoners: Advancing a Political Agenda by Crushing Dissent, Free Russia EU/Sustainability/Technology - Refocus the European Union: Planet, Lifetime, Technology, Carnegie Europe Arctic - Shifting Currents in the Arctic, Rachel Ellehuus, Center for Strategic & International Studies Migration/Netherlands - Migration in the Netherlands: Rhetoric and Perceived Reality Challenge Dutch Tolerance, Joanne van Selm, Migration Policy Institute Spain - What Do the Spanish Election Results Mean for Europe? Angelos Chrysseogelos, Lyndsey Jefferson, Chatham House Russia/Turkey - Russia's Questionable S-400 Turkey Deal, Seth Frantzman, National Interest