Every now and then, history has a way of forcing ordinary people to face up to a moral encounter with destiny that they never expected. Back in the 1930s as Adolf Hitler rose to power, those who turned away when they saw Jews getting beaten in the streets never expected that decades later, their grandchildren would turn to them with repugnance and say, “Why did you do nothing when there was still a chance to stop the horror?”
Now, nearly a century on, here we are again. The fate of future generations is at stake, and each of us needs to be prepared, one day, to face posterity—in whatever form that might take—and answer the question: “What did you do when you knew our future was on the line?”