As Germany’s documenta contemporary art show comes to an end on Sunday, the International Auschwitz Committee has slammed the exhibition for its handling of allegations of anti-Semitism in the curation of this year’s show. “At the end of the documenta fifteen, the stubborn insistence of many of those responsible and the retreat behind the walls of their own arrogance has become the sad reality of this art festival,” the committee’s executive vice president Christoph Heubner said, according to a statement. “Documenta is facing a pile of broken pieces, but a new world can be built even from sham…