You are certainly correct, Dessert Dewler when you state:
The EU will be succesful as long as it is pretaining to trade and economic issues. When it starts to meddle in local laws and it starts to tell one or two countries that "you must change this law, or that law" then it will collapse. An organization such as the EU cannot abridge the rights and freedoms of so much as one country without resulting in failure.
Particularly in the incipient stages, once the countries of Europe bond in every sense, then they can develop more cohesive cultural and societal structures. Otherwise, there will be serious problems.
Jabch, I also agree with your statement that the multiplicity of languages is secondary. It is a challenge and will remain a challenge for some time. But, I would not consider that the major challenge, like say the challenges posed by the marketplace, or the challenges posed by cultural norms.
Do you think that some time in the future there will be a dominant language for Europe? One which every citizen must learn?
Thanks, Gazpacho!