Why did the Broadway hit “The Drowsy Chaperone” flop in London, despite the enthusiasm of critics there? “With very few exceptions, London’s West End is a cultural wasteland. The heart and soul of contemporary London theatre is in the subsidized section and venues like the National Theatre, the Donmar Warehouse and the Royal Court. But, to me, Drowsy’s fate underlines the different meanings of camp and irony between Broadway and the West End – particularly as they apply to musicals.”