Since it opened to the public on September 13, 2001, the Jewish Museum Berlin has established itself—alongside Warsaw’s Museum of the History of Polish Jews—as one of Europe’s two premier Jewish museums. It is one of the German capital’s most popular tourist attractions, with the Daniel Libeskind-designed galleries drawing in around 700,000 visitors a year. But its particular status has also made the museum a political lightning rod , and the museum has had to endure a rocky period in recent years following the resignation of its previous director, the German Judaic studies scholar Peter Schäfer. Now the Jewish Museum...