The great thing about cheap natural gas, again it's cheap, and it provides a cleaner alternative to coal. But it's still a fossil fuel, and because it's still a fossil fuel, it still emits carbon.

Many of us who grew up playing golf know that our kids aren't doing it. A great way to enhance the game, make it cool again and bring back some of the interest among younger people is to make golf the greenest sport in an environmental sense. Every course's greenkeeper should think of himself or herself as the greenkeeper: responsible for preserving the green, not just the greens.

Arnold Schwarzenegger said it best: "Your son is sick. Ninety-eight doctors give you one diagnosis, two doctors give you another. Who are you going to go with?" Well, why would it be the conservative position to go with the two? That's not conservative, that's crazy.

The unemployment rate today for people with our-year college degrees is 4.1%, which is almost none. That's people switching jobs basically. That tells you that education is the only way up and the only way out. If that is the fact, then we've got to get more of it for more people.

We're going in the wrong direction and I think the only way to counter that is to bring the story home in really concrete ways to people - in ways that kids can understand and non-scientists can understand.

I think that the drama of people rising up demanding their own freedom is one that resonates very deeply with America. I think that President Barack Obama has tried and would like to find a way to relate to the Arab Spring, but I think he also wants to be, rightly, very careful that we don't take it over. It is very important that they own this. He is trying to influence it this way but without, "We're so never going to go to the extreme of Iraq and putting boots on the ground again."

Yes, the world is now flat for publishing as well.