The US and Australia have a lot in common. One of the things we have in common is we produce a lot of carbon.

That's the true genius of America: that America can change. Our union can be perfected. What we've already achieved gives us hope for what we can and must achieve tomorrow.

Iran is biggest strategic beneficiary of invasion of Iraq.

We live in a complex world and at a challenging time.

I do think Brexit vote speaks to the ongoing changes and challenges that are raised by globalisation.

As opposed to getting into arguments about, well, these folks have been treated fairly so now we're going to be doing things that, very easily in the minds of a lot Americans feel like, "Now I'm being treated unfairly."

I confess to wincing every so often at a poorly chosen word, a mangled sentence, an expression of emotion that seems indulgent or overly practiced. I have the urge to cut the book by fifty pages or so, possessed as I am with a keener appreciation for brevity.