Israeli president Yitzhak Herzog and his German counterpart Frank-Walter Steinmeier in Berlin on Monday. Photograph: John Macdougall/AFP via Getty Images When Germany and Israel established diplomatic relations six decades ago, protesters gathered outside the ceremony in Jerusalem waving signs demanding “a German-free Israel”. A photograph from the stiff occasion shows ambassador Rolf Pauls extending his credentials to an unsmiling president Zalman Shazar while Golda Meir and other Israeli ministers glare at the official, fateful document. It was just 20 years after the end of the second World War and the wounds of the Holocaust were still fresh. Later, the ambassador’s...