PT Journal AU Wehren, M SO ArteActa PY 2020 BP 27 EP 40 VL 3 IS 1 DI 10.62804/aa.2020.002 DE Bertolt Brecht; The Measures Taken; Fatzer; Threepenny Opera; Class; Classism; Institution; Politics of affect; Politics of vulnerability; Intersectionality; Learning plays ER