When they meet informally ahead of the EU-Balkans summit in Sofia on 17 May, the EU heads of state and government will have to show a united front on the issue of the US withdrawal from the Iran nuclear deal and the extraterritorial impact of the US sanctions against Tehran, and on the burning issue of transatlantic trade relations.
"Policies of Donald Trump on Iran deal and trade will meet a united European approach", European Council President Donald Tusk tweeted on Tuesday 8 May.
The...