Elite consensus on EU integration has been waning for a long time - reflecting the more sceptical attitude in many member states.
Exceptions to this are migration and institutional questions
And the larger the number of EU countries with rule of law issues, the harder it will be to adress this issue by the EU.
4 factors come together:
- High economic relevance to the Eurozone
- High voting share in the Council
- Central role on migration
- Symbolic status as a founding country