SS-GB: why the renewed obsession with alternative Nazi histories?

From The Man in the High Castle to the BBC's new adaptation of SS-GB, counterfactual Nazi nightmares are very much in vogue. This has happened once before, points out Sam Edwards – such alternative histories also

SS-GB: why the renewed obsession with alternative Nazi histories? http://theconversation.com/ss-gb-why-the-renewed-obsession-with-alternative-... "The Nazis are, once again, a subject of considerable cultural obsession. proliferated in the 1960s. So what's behind their return?"