Victoria's state emblem, the Leadbeater's possum, is one of the most critically endangered animals in Australia. Fire and logging have decimated its habitat, causing Leadbeater's numbers to plummet. A fierce and secretive political debate is now raging over whether the possum and the industry can both survive, or if one has to go. Rachel Carbonell has been on the trail of the possum and the people with the power to save it.