WITH a Nazi grandfather guilty of crimes against humanity, controversial German politician Beatrix von Storch knows only too well what happens when extremism runs amok. I’m speaking to her not far from the site of the Berlin bunker where Adolf Hitler blew his brains out in 1945, leaving her relative, Lutz Graf Schwerin von Krosigk, as leader of the ­disintegrating Third Reich. 9 Controversial German politician Beatrix von Storch has surged into second place as her nation faces snap elections Credit: Simon Jones 9 More than one in five Germans back the AfD in a nation rocked by recent mass...