After negotiating her own confirmation as president of the European Commission (EC), Ursula von der Leyen must now put together a 27-nation team to help her run the bloc.The former German defence minister will need all her political and diplomatic skill to knit together a commission from different countries and parties.And then, in October, she will have to go back to a European Parliament that only barely approved her own coronation and ask it to back her appointments.She has quite a summer