For decades, conventional wisdom in the United States held that it was only a matter of time before China would become more liberal, first economically and then politically. We could not have been more wrong - a miscalculation that stands as the greatest failure of U.S. foreign policy since the 1930s.

It's one thing if a mistake occurs because of circumstance or a miscalculation or the unexpected or inexperience; it's another if it's part of a pattern of carelessness or ineptitude or laziness. Then it becomes a choice.