Four Walls and a Roof review – fascinating tale of Brecht, the red scare and today’s émigrés

Studio Theatre, Edinburgh Rabih Mroué and Lina Majdalanie explore the playwright’s life, and their journey from Beirut to Berlin, in an absorbing show at the Edinburgh international festival Bertolt Brecht termed it “cold execution”. He was thinking of the way the US government, in the era of the House Un-American Activities Committee (Huac), could murder its opponents not by directly killing…