BHP boss Andrew Mackenzie says big business now numb to leadership instability in Canberra

BHP chief executive Andrew Mackenzie says political instability in Australia is now business as usual. 

Mr Mackenzie is also critical of proposed new powers for the ACCC to force energy companies to sell or divest some assets. 

BHP has reported a full year after tax profit of US$3.7 billion, down 37 percent due to one-off writeoffs and losses.  

I spoke with Andrew Mackenzie on The World Today