Now, as the world's largest economy and as the world's second largest emitter, America bears our responsibility to address climate change, and we intend to meet that responsibility.

My particular passion for Lincoln dates back from my earliest memories of politics.

It was as if he had come to mistrust words somehow. Words, and the sentiments words carried.

Those who adhere to the ideology of rejecting Israel’s right to exist, they might as well reject the earth beneath them or the sky above, because Israel is not going anywhere.

We can't just drill our way out of the energy and climate challenge that we face.

What you have is Mitt Romney running around the country saying 'Well, you know, my wife tells me that what women really care about are economic issues, and when I listen to my wife, that's what I'm hearing.' Guess what? His wife has actually never worked a day in her life.

My view is that discrimination against anyone at the ballot box is wrong and should have the full enforcement of the federal government.