Through scientific discovery and technological innovation, we enlist the forces of the natural world to solve many of the uniquely human problems we face - feeding and providing energy to agrowing population, improving human health, taking responsibility for protecting the environment and the global ecosystem, and ensuring our own Nation's security. Scientific discoveries inspire and enrich us, teaching us about the mysteries of life and the nature of the world.

There is a huge body of business evidence now showing that energy savings give better service at lower cost with higher profit. We have to tear down barriers to successful markets and we have to create incentives to enter them.

A great democracy doesn't make it harder to vote than to buy an assault weapon.

I don't believe you can find any evidence of the fact that I have changed government policy solely because of a contribution.

I know that the precise magnitude and patterns of climate change cannot be fully predicted. But global warming clearly is a growing, long-term threat with profound consequences. And make no mistake about it, it will take decades to reverse.

I'm someone who had a deep emotional attachment to 'Starsky and Hutch.'

Let us all take more responsibility not only for ourselves and our families but for our communities and our country.