Why are Emmanuel Macron and Angela Merkel clashing over who should be the next European Commission president?

Politics explained: France and Germany are at odds over the next leader of the bloc

With Jean-Claude Juncker’s term ending later in the year, and the EU elections out of the way, it’s time to choose the next president of the European Commission.

There are many different sub-plots and clashing interests that will have to be worked through before the final president emerges. But one of the most important is the rivalry between France and Germany.

How is the European Commission president chosen?