I travel around and hear from so many kids. Their parents say they were always very picky but they watch the show and they want to try stuff. The show is entertainment, but I think it has done so much for the public perception of what food can be.

There's a food revolution going on throughout the country. And it doesn't matter if you're down south, up north in Maine, if you're out west in Portland or Seattle.

Everything is just better in California - the wine, the food, fruits and vegetables, the comforts of living. Even the instrumentalists are generous and curious. Everything is wonderful.

But it's really hard to eat good when you're traveling because you see fast food and you want to go to this restaurant and that restaurant.

But Australia faces additional regional and global challenges also crucial to our nation's future - climate change, questions of energy and food security, the rise of China and the rise of India. And we need a strong system of global and regional relationships and institutions to underpin stability.