On paper, this seems like a surefire success: Armando Iannucci polishing up Stanley Kubrick’s original script for the stage! Having the lead actor pull a Peter Sellers and play multiple roles! Knowing you need someone who can pull that off, casting Steve Coogan!
and yet, this was better in theory. To make that quadruple casting work, the script loses the cutting-between-plots of the movie and separates the three braided strands of the movie into a few back-and-forth that make the…