Science is the process of crash testing ideas: you ram the idea head-on into a brick wall at 60mph, and knowledge is gained by examining the pieces. If the theory is solid, the pieces are from the wall. Then we build a bigger wall.

With a weak and rotting core, you don't have much of a foreign policy. You're discounted at the negotiating table, economically and militarily. So when people ask what's the best course of action for the U.S.-China relationship, I can give you ten academic responses. But the reality is we need to rebuild our core.

And the trajectory that our debt is taking now beyond $14 trillion is going to have an impact on our currency. It goes south, and our currency's going to have an impact on our standard of living and affect every family in this country, and over time, our international competitiveness.

It's a tribal state, and it always will be. Whether we like it or not, whenever we withdraw from Afghanistan, whether it's now or years from now, we'll have an incendiary situation. Should we stay and play traffic cop? I don't think that serves our strategic interests.

America is the primary engine of growth in the world and we are the only beacon of free trade left, and open markets.

I'm a true native of the Bay Area.

I'm a very spiritual person and proud of my Mormon roots.