Populist parties are looking to make big gains in European Parliament elections. That could disrupt EU policy on issues from trade to migration.

President Trump has targeted Germany over its supposed dependence on Russian natural gas, and the proposed Nord Stream 2 is dividing the EU. What’s in store for Europe’s pipeline politics?

The European Parliament’s vote to reprimand Hungary over its growing authoritarianism has tested the EU’s readiness to stand up to illiberalism within the bloc.