If the EU cannot do trade, what can it do?

If the EU cannot do trade, what can it do? The Economist  – ‎4 hours ago‎ IN HAPPIER days for the European Union the arcana of international trade policy were a matter for harmless eccentrics, while the intricacies of Belgium’s constitutional arrangements were reserved strictly for masochists. http://www.economist.com/news/europe/21709330-ceta-debacle-heralds-age-vetocracy-if-eu-cannot-do-trade-what-can-it-do