Ten years have now passed since many of us first felt the jolt of history-when the second plane crashed into the South Tower of the World Trade Center. We knew from that moment that things can go terribly wrong in our world-not because life is unfair, or moral progress impossible, but because we have failed, generation after generation, to abolish the delusions of our ignorant ancestors.

Ten years have now passed since many of us first felt the jolt of history-when the second plane crashed into the South Tower of the World Trade Center. We knew from that moment that things can go terribly wrong in our world-not because life is unfair, or moral progress impossible, but because we have failed, generation after generation, to abolish the delusions of our ignorant ancestors.