This book investigates recent public debates about the European Union (EU) in national parliaments, which have become the primary arena for public debate about the EU. Responding to claims about a politicization of European governance, the author investigates the link between two dimensions of debate - the discursive justification and party political contestation of decision-making in the EU. Embedded in a comparison between the legislatures of four Member States (Austria, France, Germany, and the United Kingdom), the main finding of the book is that generalizable links can be identified...