Children’s laughter bounced off the walls of the Co-Prosperity Sphere gallery as a group of about 40 people gathered for a “Day of Solidarity” on August 4 in support of an upcoming national prison strike. All afternoon, people filtered in and out as organizers from Milwaukee to Oaxaca spoke, supporting organizations sold t-shirts and zines to fund strikers’ commissary, volunteers at a letter-writing station matched attendees with incarcerated pen pals, and musicians performed. The strike, set to begin August 21 and end September 9, was called for by Jailhouse Lawyers Speak, an incarcerated group of prisoner rights advocates. After a riot at Lee Correctional Facility in South Carolina left seven inmates dead in April of this year, the group decided that they could no longer wait for the ideal conditions for a strike, as these kinds of tragedies would keep happening unless prisoners worked together. In an August 11 statement, the group wrote, “Prisoners understand they are being treated as animals. We know that our conditions are causing physical harm and deaths that could be …