[O]nly a broad regional political settlement involving all of the powers conducting proxy wars on the territory of Syria will end this bloody civil war. Given the regional complexities and vested interests at stake, it will be difficult for Russia and the US to forge a deal bilaterally. A united Europe, speaking with one voice, could play an important role in steering a path to peace.
Not only does Europe have an overriding interest in securing its immediate neighbourhood, it has recent experience of helping to deliver a nuclear deal with Iran. The Iran nuclear deal showed what the European Union can achieve when it works together with one voice and engages other global powers.