Schoolteachers in Germany want to add a 90-year-old text to the high school curriculum: “Mein Kampf,” the anti-Semitic autobiographical manifesto written in 1925 by Nazi leader Adolf Hitler. German teachers’ association Deutschen Lehrerverbandes says that an annotated version of the text could help “inoculate” German high school students against extremism, Agence France-Presse reports. The rights to…