“I heard my momma cry / I heard her pray the night Chicago died / Brother, what a night it really was / Brother, what a fight it really was / Glory be!”

This song about fights between gangs and cops in 1920s Chicago was all the rage back in the 1970s. There’s a lot of appeal to nostalgia in it. But were people nostalgic for violence, or were they longing to be in a dramatic moment—a moment that matters? Last week, the University of Chicago hosted an encampment of protestors who gathered in support of the Palestinians of Gaza and made demands that the University divest from Israel. But the encampment also attracted protestors of issues unrelated to that war, and eventually attracted counter-protestors. The mini “community” that sprang up in the encampment was forcibly (and thankfully, peacefully) dismantled one week later and neither they, n ...