Maybe, and I'm not even against the idea. But it would have nothing to do with European Union (the current entity)
> 2) [...]
I'm not an US expert, and I mostly have the same picture as you. I don't see what you are trying to prove ?
> 3) [...]
I never said that one system was better than the other, just that they are different with different strengths and different weakness but that migrating from one to the other is extremely difficult and probably require creating new entities. I totally can imagine an European Federation but I don't see it being the same entity as the European Union.