The US faces many of the same problems Germans faced after World War II: how to reject, punish and delegitimize the enemies of democracy. There are lessons in how Germany handled that challenge.
An in-depth study has shown that far from recruiting from the lower middle classes, the Nazi party attracted many people from high-status backgrounds.
Under an authoritarian government, freedoms can come at a steep – and lasting – price.
The Nazi fuhrer's story about his 'resurrection' in 1918 is an important lesson for today.