Global warming is not just the greatest environmental challenge facing our planet - it is one of our greatest challenges of any kind.

If you're 54 or 55, you might want to listen because this will affect you. The idea, which was originally presented by Congressman Ryan, your running mate, is that we would give a voucher to seniors and they could go out in the private marketplace and buy their own health insurance.

It's time to recognize that under the equal protection clause of the United States [Constitution], same-sex couples should have the same rights as anybody else.

We've been able to organize the international community around it in ways that aren't going to go back.

As you might imagine, if you're a teenager having a couple of people with microphones and guns always following you around, that could grate on them. But you know, they've handled it with grace and I give Michelle [Obama] most of the credit for how well they've done, but I also just think they are graceful, good young, young women.

Now, at times this issue has tended to degenerate into an 'either-or' type of debate. Either we protect our people from terror or we protect our most cherished principles. But that is a false choice. It asks too little of us and assumes too little about America.

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.