There's no way to resolve Syria without Iran being involved, given its financing of Assad and the fact that Hezbollah is probably the most effective fighting force that Assad can count on.

The United States and Saudi Arabia have an extraordinary relationship and friendship that dates back to Franklin Roosevelt and King Faisal.

When I came into office, the world was divided. Iran was resurgent. Iran is at its weakest point, economically, strategically, militarily, then since - then in many years. And we are going to continue to keep the pressure on to make sure that they do not get a nuclear weapon. That's in America's national interest and that will be the case so long as I'm president.

The problem is that, over time, big pieces of business that have to get done without leadership from Washington, don't get done.

ISIS is a virulent, nasty organization that has gained a foothold in ungoverned spaces effectively in Syria and parts of western Iraq. We have to take it seriously. They've shown in Paris what they can do in an organized fashion.

I found this national debt doubled, wrapped in a big bow waiting for me as I stepped into the Oval Office.

Sometimes people just feel as if we want to try something to see if we can shake things up.