We speak to the influential and long-serving president of the Court of Justice of the European Union (CJEU), Koen Lenaerts. The court is the EU's supreme judicial authority, responsible for ensuring that European law is interpreted and applied across all 27 member states.

From the EU's perspective, the second Trump presidency has felt even more destabilising than the first. From making the false claim that the EU was set up to "screw" the United States, to slapping tariffs on European goods, to making territorial claims on Greenland, to doing a diesel deal with Vladimir Putin and telling Ukraine to get a new president, Donald Trump has more than ruffled feathers on this side of the ocean. He has shaken the very foundations of the historical transatlantic relationship.