I am 100 percent confident. This is a security review that was requested. It is being carried out. It will be resolved. But I have to add if there's going to be a security review about me, there's going to have to be security reviews about a lot of other people, including Republican office holders, because we've got this absurd situation of retroactive classifications.

We got an international coalition [against Iran], and we imposed that. It was slow, patient diplomacy, nothing at all particularly headline-worthy. But then you got to the point where the negotiations - which I started and Secretary [John] Kerry completed - I think made the world safer.

We have to save as many lives as we possibly can.

The central question in this election [2016] is really what kind of country we want to be and what kind of future we'll build together.

When it comes to foreign policy, it is important to remember that politics stops at the water's edge.

When I was in the Senate, I had eight great years working with the community on major issues, trying to deal with problems that people brought to my attention. That's certainly what I intend to do as president. I think that is what President Obama has done.

We need to make it easier for companies to invest in good jobs here at home.