An interest in spiritualism drew the escapologist and the Sherlock Holmes author together but, as actor-playwright Haig’s drama Magic shows, also threw them into conflict An interest in spiritualism drew the escapologist and the Sherlock Holmes author together but, as actor-playwright Haig’s drama Magic shows, also threw them into conflict I t’s the question most often posed to artists: where do you get your ideas from? David Haig’s answer is: I ask Google. Preserve the mystique, man! Haig is