This evening I happened upon Katja Popwo telling the Grimm fairy tale "Die alte Hexe und ihre Tochter," also known as "Der Krautesel." This was part of a weekly series at the Tadschikische Teestube (Tajik Tearoom) in the Palais am Festungsgraben. Ms. Popwo told the story from memory quite charmingly, relating the adventures of a…