> And what good does it do? The EU cannot speak in a single voice - there is no foreign minister, no defense minister, no whatever minister.

Nor can Switzerland. And still it is one of the best country world wide both in term of living and economically.

Distributed federal power like Switzerland trades quick decision making for resilience.

If it might look up 'messy' on the surface, it is in fact a quality. A very valuable one in fact: because it is exactly what prevent fucked up like Trump to happen in the EU.