An American college student looked out at a sea of protesters and spoke of a machine that had grown so “odious” that it had left people of good will little choice. There must be protest.

“You’ve got to put your bodies upon the gears and upon the wheels, upon the levers, upon all the apparatus, and you’ve got to make it stop,” he said. Soon the students would flood into a campus administration building.

That scene played out 60 years ago at the University of California, Berkeley….