Todd McKenney is kissing Simon Burke (that’s new). Rhonda Burchmore is Rhonda Burchmore (that’s fun). Aljin Abella is short, chattering and nimble (a dizzy whirlwind across the stage). Gary Sweet is in a frock (born for the role). Jerry Herman’s La Cage aux Folles, the Grand Drag musical about the family problems of a St Tropez gay couple, hasn’t been on a professional stage in Australia since 1985 when Keith Michell played Georges (the straight-acting one), and Jon Ewing, Albin (the drag diva). This time, at Melbourne Arts Centre, it’s McKenney as Albin and Simon Burke as Georges. In the…