Has footy become too long?

The AFL's new executive general manager of football performance, Greg Swann, has said he is looking to speed up games. In this edition of The Conversation Hour, we look whether games have become drawn out and what changes need to be made to tighten them up. 

Also in this edition, what is underpinning the rising rates of school bullying, why we need to talk more about mental health after cancer, plus a win for the spotted tree frogs of Mount Beauty.