Winston-directed revival of Mel Brooks' second symphony is electrifying! ----- Following up from a gargantuan hit like The Producers is enough to send any writer for the stage or screen into a frenzied panic, and much like when the musical first premiered in 2008, we are in a similar situation in the present, with an enormously successful London revival of Mel Brooks ' magnum opus having preceded this major return of his second musical " Young Frankenstein ", and inevitably t