Are we ready for 'supervised' self-driving cars?

A couple of months ago the car company introduced a so called 'semi-autonomous' driving feature upgrade here in Australia. They call it 'supervised' self-driving. In this edition of The Conversation Hour we explore how this feature works what sort of policy needs to be introduced to make sure it is safe.Also in this edition, we celebrate 50 years of Bohemian Rhapsody, how to use your own body weight to get fit, plus what does it mean to coexist safely with crocodiles.