Look at countries like China, they are determined to dominate all clean technology areas, putting lots of money into wind, solar, electric vehicles and battery storage. America's political impotence, caused by their terrible partisanship, will see them left behind.

you cannot maintain popular support for immigration policy, multiculturalism, unless you can control your borders.

Mitt Romney speaking to a $50,000-a-plate Republican fundraiser says he doesn't have to worry about the 47 per cent of Americans who don't pay tax. He was not counting on the smart phone recording his speech and then posting it on YouTube.

Newspapers are busily experimenting with different models. Traditionally, and I suspect in hindsight very mistakenly, online news was free. And once given free access readers felt it was their entitlement.

The proliferation of outlets that digital technology has enabled has itself contributed to the changing nature of what we regard as 'news' and the way in which many citizens perceive politics.

You will never find a better friend to the United States than Australia.

We will certainly have to rethink the way in which we design and protect places where large numbers of Australians and indeed this will happen around the world.