Back in the mid-1970s, we adopted some fairly ambitious goals to improve efficiency of our cars. What did we get? We got a tremendous boost in efficiency.

Healing is a moral thing to do.

I talk about reducing our dependence on foreign oil. If we're buying electricity from a solar-thermal plant in Tijuana, I'm not sure we should say that's evil. If we are buying wind power from Alberta, I don't have a huge objection to that.

We clearly need to break our addiction on Saudi Arabian oil that is a security threat to the United States.

I'm sure that in the fullness of time we'll learn that one or more of these seemingly promising technologies were dead ends. And that's the nature of innovation, and that's why we should spread our bets; we should not put our eggs in any one basket. Some of these will be grand successes, some of them will be average, and some of them will be abject failures.

Tolerance is carved into the rostrum of the U.S. House of Representatives and intolerance should not be carved into the U.S. Constitution.

Investing in industries and technology for the 21st century generates high-skilled, high-wage jobs for industries of the future.