On balance, after weighing the arguments, I believe that the time has come for Australia to create a new sovereign wealth fund.

In economics, one of the most important concepts is 'opportunity cost' - the idea that once you spend your money on something, you can't spend it again on something else.

The biggest review of taxation ever undertaken in this country, is now dead in the water.

You cannot keep on saying oh, you know, talking about disrespecting women as just being politically correct or it's not a big deal or brushing things off. You've got to be aware of it.

When politicians offer you something for nothing, or something that sounds too good to be true, it's always worth taking a careful second look.

I'm sick of the cover-ups, I'm sick of the lies, and so are the bloody veterans, that come out daily of the department's mouth.

We are already experiencing the symptoms of climate change, especially with a hotter and drier climate in southern Australia - the rush to construct desalination plants is an expensive testament to that.