German foreign minister Johann Wadephul, right, approaches the speaker's podium as he and Israeli foreign minister Gideon Sa'ar visit the Holocaust Memorial, in Berlin, Germany. Photograph: Sean Gallup/Getty Images Israeli foreign minister Gideon Sa’ar was greeted by protest chants of “blood on your hands” during a tense Berlin visit on Thursday. Amid a shifting political and public mood in Germany on Gaza, Mr Sa’ar held talks and laid a wreath at Berlin’s Holocaust memorial alongside his German counterpart Johann Wadephul. In recent days the new German foreign minister has sent mixed signals, saying at the weekend that further German arms...