It’s been more than thirty years since Tim Rollins invited a group of “at-risk” pupils from a South Bronx public school to start an art project with him. They chose the moniker K.O.S. (for Kids of Survival) as a badge of honor. Rollins and the Kids set out to produce art collaboratively through a process they called “jamming,” in reference to a preferred method of jazz musicians. Rollins or one of the Kids would read aloud a carefully chosen passage from a book while the others made free-associative drawings reflecting on what they heard. But this approach, which explored the more ephemeral