“The new interventionism seems to have begun around 1979 as part of a proliferation of new ideas – devised theatre, documentary, attempts at new forms, physical theatre – that had their roots in the 60s. The emphasis on top-down thinking, rather than anything created writer-up, meant that a new form of censorship began to impose itself. This has led to young writers delivering drafts instead of plays, knowing the humiliation that lies in store.”