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

Obviously [my daughters] - and Michelle - have made a lot of sacrifices on behalf of my cockamamie ideas, the running for office and things.

For in Asia and around the world, India is not simply emerging; India has already emerged. And it is my firm belief that the relationship between the United States and India - bound by our shared interests and values - will be one of the defining partnerships of the 21st century. This is the partnership I have come here to build. This is the vision that our nations can realise together.

You have to be involved during midterm elections, you have to care about what happens at a school board level.

I know that there are millions of Americans who are content with their health care coverage - they like their plan and, most importantly, they value their relationship with their doctor.

On this day, we gather because we have chosen hope over fear, unity of purpose over conflict and discord.

We will keep the promise of Social Security by taking the responsible steps to strengthen it - not by turning it over to Wall Street.