Theresa May, the British prime minister, has triggered Article 50 of the Lisbon Treaty. That means negotiations on the UK’s departure from the European Union can begin. But this is not just about what Britain wants – the Brexit deal depends significantly on what the EU is prepared to give.
The EU is a complex beast. It’s important to remember that there won’t be one unitary actor on its side of the negotiating table. Key to understanding the EU’s approach to Brexit is that it will not just negotiate with the UK, but also with and among itself. Each member state