““First, the visionary intellectuals and planners behind them were guilty of hubris, of forgetting that they were mortals and acting as if they were gods. Second, their actions, far from being cynical grabs for power and wealth, were animated by a genuine desire to improve the human condition—a desire with a fatal flaw. That these tragedies could be so intimately associated with optimistic views of progress and rational order is in itself a reason for a searching diagnosis. Another””