Donald Trump is like Hillary Clinton said, a man you can bait with a tweet is not a man you can trust with nuclear weapons. You can`t do it.

To the extent that we've got a fiscal crisis right now, part of it is prompted by a bullheaded insistence on the part of the president, for example, that we should extend all of his tax cuts, make all of them permanent.

When you're a candidate and you say something that is inaccurate or controversial, it has less impact than it does when you're president of the United States. Everybody around the world's paying attention. Markets move. National security issues require a level of precision in order to make sure that you don't make mistakes.

And yes, my plan will continue to reduce the carbon pollution that is heating our planet - because climate change is not a hoax. More droughts and floods and wildfires are not a joke. They're a threat to our children's future. And in this election, you can do something about it.

You know, when Trayvon Martin was first shot I said that this could have been my son. Another way of saying that is Trayvon Martin could have been me 35 years ago. And when you think about why, in the African American community at least, there's a lot of pain around what happened here, I think it's important to recognize that the African American community is looking at this issue through a set of experiences and a history that doesn't go away.

Iran's Supreme Court has issued a fatwa against the development of nuclear weapons. President [Hassan] Rouhani has indicated Iran will never develop nuclear weapons. I've made clear that we respect the right of the Iranian people to access peaceful nuclear energy in the context of Iran meeting its obligations.

We will respond to the threat of climate change