After being attacked at a library, Berlin’s former mayor and top Social Democratic politician has called for greater respect and an end to political violence in Germany. The assault on Franziska Giffey on Tuesday afternoon is part of a string of attacks aimed at politicians across the country in recent days that have prompted outrage and fears about damage to the country’s democratic norms. “After the initial shock, I can say I’m fine,” Giffey, who currently serves as the city of Berlin’s economy minister, said on Wednesday. But in an Instagram post, Giffey said that the string of attacks on p…