Is the EU certain of its own priorities?

What are the three most important challenges facing the European Union today? Or, if you dislike making hard choices between matters of equal moment, the five most important? Or even the seven most important?

It's not an easy question to answer: personally, I would rank the top three as climate change, steering the European economy and promoting European European values - democracy, human rights and so on - in the wider world. But others might substitute, or add, topics like instituti...