But reducing harmful emissions, abating our dependence on foreign oil and developing alternative renewable energy sources have benefits that go beyond environmental health, they improve personal health, enhance national security and encourage our nations economic viability.

If at first you don't succeed, try, try again. I lost three times before I got elected. There's no limit. Stay in pursuit of your dreams.

A lot of very competent people sometimes make errors.

I admire and respect Bill Clinton. I think he was a great president.

I'm heartened by the growing awareness of global warming among important communities and organizations in our nation.

A question I often get is, "How do you maintain your sanity with so much happening all around you?" I think I developed a certain mental toughness that is required in the business. You have to have a thick skin and a brass bottom, because you're going to kicked a lot.

Democrats are fighting for a new direction that includes protecting Social Security as well as making healthcare affordable, bringing down the high cost of gasoline, and making higher education more accessible for all Americans.