All I want to do, if you've already got health care, is lower your costs.

My first job as commander in chief is to keep the American people safe.

Look, first of all, the climate is changing. I don't think the science is clear what percentage is man-made and what percentage is natural. It's convoluted. And for the people to say the science is decided on, this is just really arrogant, to be honest with you, it's this intellectual arrogance that now you can't even have a conversation about it. The climate is changing, and we need to adapt to that reality.

If you look at sort of how politics has divided itself here in this country, the big divide right now is between urban areas, which have become increasingly Democratic, and rural or exurban areas that feel as if they're being ignored.

I'll be the first US president to not only visit Kenya and Ethiopia, but also to address the continent as a whole, building off the African summit that we did here which was historic and has, I think, deepened the kinds of already strong relationships that we have across the continent.

Climate change poses a direct threat to the infrastructure of America that we need to stay competitive in this 21st-century economy.

There is a big risk for the Republicans in a race, especially with Hillary Clinton as a likely Democratic nominee in a contest that will focus on the possibility of the first woman president to be six months suspending up the nomination of a black woman, who is imminently qualified.