Ensuring that the US continues to lead the world in science and technology will be a central priority for my administration.

I was elected because I believed in what we call "grassroots politics," politics from the bottom up, not the top down.

The issue of climate change is one that we ignore at our own peril. There may still be disputes about exactly how much we're contributing to the warming of the earth's atmosphere and how much is naturally occurring, but what we can be scientifically certain of is that our continued use of fossil fuels is pushing us to a point of no return. And unless we free ourselves from a dependence on these fossil fuels and chart a new course on energy in this country, we are condemning future generations to global catastrophe.

I have the authority to address the threat from Isil, but I believe we are strongest as a nation when the president and Congress work together. So I welcome congressional support for this effort in order to show the world that Americans are united in confronting this danger.

We have to recognize we've got some big problems on race, just like we got still big problems on crime, just like we got big problems on just about everything. But we also have to make sure that we've - draw confidence from the progress that we have made, 'cause otherwise, you get into this cycle of cynicism.

What I've seen in my own life is that when I get something important done it's because of a lot of other people - some who get credit, some who don't.

In Indonesia, I had spent two years at a Muslim school, two years at a Catholic school. In the Muslim school, the teacher wrote to tell my mother that I made faces during Koranic studies.