These shows are important – but we can’t be uncritical of them. When an all-new Broadway version of West Side Story was recently announced that Ivo van Hove will direct with new choreography by Anne Teresa De Keersmaeker, its lyricist Stephen Sondheim said: “What keeps theatre alive over time is reinterpretation, and when that reinterpretation is as invigorating as [Ivo van Hove’s] productions of A View from the Bridge and The Crucible, it makes for something to look forward to with excitement.”