If you were president 50 years ago, the tragedy in Syria might not even penetrate what the American people were thinking about on a day to day basis. Today, they're seeing vivid images of a child in the aftermath of a bombing.

I think that the issues we have with science these days are not restricted to what's happening with respect to religion. There are a lot of very religious scientists around.

In order for us to compete with China, we've also got to make sure, though, that we're taking - taking care of business here at home. If we don't have the best education system in the world, if we don't continue to put money into research and technology that will allow us to create great businesses here in the United States, that's how we lose the competition.

We've seen how militarized gear can sometimes give people a feeling like there's an occupying force, as opposed to a force that's part of the community that's protecting them and serving them.

I have been a strong proponent of pay-as-you-go. Every dollar that I've proposed, I've proposed an additional cut so that it matches.

I will veto any effort to get rid of those automatic spending cuts to domestic and defense spending. There will be no easy off ramps on this one.

We cannot tolerate a nuclear Iran. It would be a game changer. Not only would it threaten Israel, a country that is our stalwart ally, but it would also create an environment in which you could set off an arms race in this Middle East.