Four Corners investigates accusations of mismanagement and neglect which have fuelled a bitter dispute between Kakadu's traditional owners and the authority that runs the World Heritage Listed site.

Tonight on Four Corners Louise Milligan reports on "Bursting the Canberra Bubble".

Four Corners examines the historical rape allegation made against Federal Attorney General Christian Porter, which he strenuously denies.

"I have been subject to the most wild, intense, unrestrained series of accusations that I can remember in modern Australian politics." Federal Attorney General Christian Porter

"The only thing that I'm ever going to be able to say, and it's the truth — and that is that nothing in the allegations that have been printed ever happened." Federal Attorney General Christian Porter

"I would have thought if there was an inquiry by a competent person without a political agenda, that that would be a way of stopping this trial by media." Friend of the complainant.