I think the change was that people gradually forgot Pearl Harbor or were never educated about it in the first place. Bin Laden had many virtues as a tactician b

I think the change was that people gradually forgot Pearl Harbor or were never educated about it in the first place. Bin Laden had many virtues as a tactician but was poor at strategy and historical perspective. Now that the lesson has been relearned, we are mostly safe from large-scale sneak attacks for another 50 years.