[RightWhale]

Yes, and if the historical lessons are ignored, which they are, they will be learned again.

[genghis]

Yes, and if the historical lessons are ignored, which they are, they will be learned again.

but not quickly

[TigersEye]

Yes, and if the historical lessons are ignored, which they are, they will be learned again.

Again? According to the author they weren't learned the first time. He points out that Hoover and FDR employed propagandists to deliberately hide those lessons from the public.