George Bush Junior [George W Bush] was a religious fanatic, and Tony Blair wasn't far behind in a way.

It was very much an Australian/New Zealand initiative to have a nuclear free South Pacific. And the Americans were very apprehensive about this. So, I explained to them that, as far as I was concerned, this didn't involve any diminution in our commitment to the ANZUS relationship. But David Lange took it further and he barred visits of US nuclear warships to New Zealand.

Peoples have come to experience that political structures and divisions of power are not immutable. Nor will they perceive the distribution of wealth and resources between nations to be unalterably ordained by heaven and incapable of drastic rearrangement by the less than gentle manipulation of man.

I was used on a number of occasions by the United States and China as a conduit. For instance, I was up there talking with the Chinese leadership and they said to me that they were a bit concerned that the Americans had a misunderstanding about their relationship with the Soviets. There was some suggestion that there was a rapprochement developing between China and the Soviets, but nothing could have been further from the truth.

In fact, soon after that [South African sanctions], I was going on an official visit to the UK and Margaret Thatcher instructed every minister to clear the decks of any outstanding matters between us - Australia and the Brits. And she went out of her way to make sure that that was as successful a visit as it possibly could be.

I went along with it, and wanted to appoint a significant figure in Malcolm Fraser. I didn't have high hopes that they'd be able to do anything, but something was worth a try.

If you've got good chemistry at the top, it's an enormous help. It's easy to have good chemistry with some, not so easy with others. With [Robert Mugabe], for example.