Koalas Officially Endangered

Koalas have been officially listed as an endangered species for
NSW, Queensland, and the ACT. 
So what went wrong? 
How does Matt Kean, a former environment minister, known as a
champion in the field of wildlife preservation - allow this to
occur on his watch? 
We talk to 40-year National Parks and Wildlife veteran Kim
DeGovrik to hear what has happened to Australia's favourite
native marsupial.