If you understand how Brussels works — and by Brussels, we mean the European Union — then Tuesday was a big day, with European Commission President Ursula von der Leyen announcing her top team for her second term through 2029. If you don’t understand how Brussels works (or have been pretending that you do for work), it will have been borderline incomprehensible. Let’s start with the basics. What happened? Ursula von der Leyen was elected for a second term as European Commission president in July (more on how that happened later). The former German defense minister has been in the…