German Chancellor Olaf Scholz has tempered expectations for the Ukraine peace conference set to take place in Switzerland in June. “Nobody should have exaggerated expectations: We are not negotiating the end of the war there,” Scholz said in an interview with the German news magazine Stern. “At best, it’s the start of a process that could lead to direct talks between Ukraine and Russia. In Switzerland, it will be about the safety of nuclear power plants, grain exports, the issue of prisoner exchanges and the necessary taboo on the use of nuclear weapons. Once again, this is all still in its in…