THE LETTER THAT Artforum’s website published on October 19, “An Open Letter From the Art Community to Cultural Organizations,” calling for Palestinian liberation and “an end to the killing and harming of all civilians, an immediate ceasefire, the passage of humanitarian aid into Gaza,” had already been circulating as a Google form. It had already been signed by more than 4,000 people, including Judith Butler and Fred Moten and, as David Velasco, the magazine’s editor of almost six years, put it, more artists who had made the cover of Artforum “than I’d ever seen in one space”: Barbara Kruger, Kara Walker, Nicole Eisenman, Nan Goldin. “This was the first moment where it felt like there was consensus, where you had thousands of people signing something saying, ‘We can agree on…
