We have to tackle the plague of gun violence, which is a big contributor to a lot of the problems that we're seeing today.

If you give me the privilege of your vote tomorrow, that's what I will do every single day of my presidency, to knock down barriers, to create opportunities so that you have the chance to fill your own dreams. You see, I believe America's best days are still ahead of us.

I think we've got to do more to stop foreign fighters, foreign funding and take ISIS on online, as well as doing everything necessary to keep us safe at home.

I have said the invasion of Iraq was a mistake. But I think if we're ever going to really tackle the problems posed by jihadi extreme terrorism, we need to understand it and realize that it has antecedents to what happened in Iraq and we have to continue to be vigilant about it.

I want to reassure our allies in Japan and South Korea and elsewhere that we have mutual defense treaties and we will honor them.

We do not have to choose between a healthy environment and a healthy economy.

I don't think all the blame lies with Wall Street. I think a lot of the blame lies with the [George W.] Bush administration. They went back to trickle-down economics. They took their eye off the mortgage market, they took their eye off the finance markets, and we ended up in a big mess.