This is a long video but very interesting and I find this stuff fascinating.
- With the best of intentions things often don't go to plan but we can always learn from them.
Fair warning: There are some disturbing facts described in this speech.
Daniel Immerwahr:
https://en.wikipedia.org/wiki/Daniel_Immerwahr
(FYI: Most of the video is about the US and WW2 however there are some comments about modern politics towards the end)