The 'one in, one out' deal between EU and Turkey at the recent summit caused doubts to be expressed in many European capitals about its legality and morality. Ahead of a potentially stormy EU Council meeting, ECFR experts explore domestic reactions to the proposed deal. Will the deal stick? How do the various capitals view accelerating visa liberalisation for Turkey? And what are the prospects for a common European response as member states act to try and shut down the Western Balkans route?