The NATO Warsaw Summit: Reflections on Unfinished Business

The deterioration of the European security environment has put NATO back at the centre of transatlantic strategy. The recent Alliance summit in Warsaw focused on some critical priorities, above all strengthening European security vis-à-vis an increasingly assertive Russia. But the summit left some other pressing matters to be addressed, including the difficult questions of strategy toward the Black Sea, the Mediterranean and the south in general. Concerns about Brexit, the US elections and the challenge of trust on both sides of the Atlantic were just below the surface in Warsaw.