The Olympics closing ceremony is underway, wrapping a memorable Olympic campaign for the Australian team - who set a new record for gold medals won.

But the conclusion of the Games of the 33rd Olympiad also sees a changing of the guard at the top of the Olympic movement - and there has been plenty of politics behind the scenes. 

• Guest:Tracey Holmes, Professional Fellow in Sport at the University of Canberra; Host and Producer of the Sports Ambassador podcast