Contributor(s): Ingeborg Grssle, Tanja Fajon | It has been said that EU enlargement in the Western Balkans is about completing the Union. The key question is when and how to do it. Or whether it can be done at all! This public debate between two experienced MEPs aims to explore the argument from all sides. Ingeborg Grssle is a Member of the European Parliament in Germany and Tanja Fajon is a Member of the European Parliament in Slovenia.