Catalonia is a huge problem for the European Union because silence won't be enough
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Catalan President Carles Puigdemont also wants the EU to trigger a mechanism known as Article 7 which would suspend the membership rights of Spain on the grounds that it has breached EU values like the respect for human rights or the rule of law. But there is little chance the EU will use this ‘nuclear option’, according to Camino Mortera-Martinez, a research fellow at the Centre for European Reform think-tank.