Held every five years in the German city of Kassel, the 2022 Documenta art exhibition will take place from June 18 to September 25. It will bring in artists from around the world who address in their work today’s global challenges — from climate change and digitization to social upheaval and political radicalization. Yet, in the past few days, the festival itself, which is considered the world’s most important showcase for contemporary art, has been caught up in its own challenge in the form of a political scandal. In a b log post, the Kassel-based “Alliance against antisemitism” accused Ruangrupa,...