A positive and effective speech on the broad principles. The debate on the future of Europe was dominated last week by the speech to the European Parliament by the German President Johannes Rau. In his speech, given impetus and inspiration by current events (see summary in our bulletin of April 5, p. 3; the full text will be published in our series EUROPE/Documents), he called for two basic things. First, he saw a need for a European constitution and a "Federation of Nations" as the final...