I thought I could start over, you see. But now I know you can never start over. Not really. You think you have control, but you are like a fly in somebody else's web. Sometimes I think that's why I like accounting. All day, you are only dealing with numbers. You add them, multiply them, and if you are careful, you will always have a solution. There's a sequence there. An order. With numbers, you can have control.

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.

The fact is that I'm also friendly with Tom Coburn, one of the most conservative Republicans in the United States Senate, who, during his campaign, once said that it might be appropriate to apply the death penalty to those who carried out abortions.

The path towards sustainable energy sources will be long and sometimes difficult. But America cannot resist this transition, we must lead it.

One of the things you discover about being president is that there are all these rules and norms and laws and you got to pay attention to them.

We have to all shoulder the responsibility for keeping the planet habitable, or we're going to suffer the consequences - together.

As I've said many times, the nuclear deal was never intended to resolve all of our differences with Iran. But still, engaging directly with the Iranian government on a sustained basis for the first time in decades has created a unique opportunity, a window, to try to resolve important issues.