"The Lisbon Treaty states that national Parliaments shall contribute to a better functioning of the EU. Can they really do it and therefore enrich the European democracy? How far can they extend their original sovereignty without distorting political responsibilities that should be geared upon the European Parliament? The authors analyze the experience of the Italian Parliament under the light of these crucial questions and their exhaustive answers are greatly helpful to the readers of all over Europe." Giuliano Amato, Judge of the Italian Constitutional Court. This important new...