“A few nights later, under citywide curfew and after the trains had been shut down, a friend and I called a cab home in a bid to evade arrest. As we sped along the East River, the driver glanced in the rearview mirror and asked if we’d come from the demonstrations. Yes, we told him carefully, we’d been going out every night. His eyes smiled above his face mask. ‘You have to find the biggest brick you can,” he said, ‘and then you make it count.’”