German Chancellor Olaf Scholz’s Social Democrats (SPD) are laying the groundwork for their European election campaign at a conference in Berlin on Sunday. The vice president of the European Parliament, Katarina Barley, is to be elected as the party’s lead candidate, as she was five years ago. The approximately 150 delegates will also vote on their election manifesto. Barley and Scholz, who is to play a key role in the election campaign, will give the main speeches. Barley explained the prominent role for Scholz by saying that “he is a strong European figure. And that, I hope, will help us.” “A…