The Unley Town Hall, Troupe’s HQ, has been dark for much of this year. After Gavan Strawhan’s The Last Drive-In On Earth, the company’s crowd-pleaser from the Adelaide Festival, they offered a stylish production of Caryl Churchill ‘s Top Girls before going into recess. Then The Floating Palais, also by Strawhan, a success from last year, was resuscitated for a tour around the traps to bring Troupe’s vigorous brand of left-thinking, participation theatre to a wider audience. The …