“Leave it to Michael Frayn, author of the Tony Award- winning Copenhagen, to take a 30-year-old European political scandal and turn it into a play that’s packing the National Theatre to the rafters. The play is Democracy, and it’s about the spy scandal that brought down Willy Brandt, the West German chancellor who reconciled his country with its communist neighbors in the East. Already, the groundwork is being laid for a Broadway transfer, probably in the spring.”