EU leaders have formally nominated Ursula von der Leyen for a second term as president of the European Commission, European Council President Charles Michel confirmed on Thursday. Von der Leyen’s nomination was informally agreed on Tuesday, but the formal decision was taken at Thursday’s EU summit in Brussels. Under the deal, former Portuguese prime minister António Costa will be the next president of the European Council – the assembly of national leaders – and Estonian Prime Minister Kaja Kallas is the leaders’ pick to be the European Union’s next foreign policy chief. “Kaja, Ursula and Anto…