If you can stitch together that kind of coalition with young people, bringing together conservatives and evangelicals - and I will tell you, in Iowa, we also won Reagan Democrats, working-class voters.

We deserve leaders who stand for principal, who unite us all behind shared values, who cast aside anger for love. That is the standard we should expect from everybody.

We need to be focused on defeating radical Islamic terrorists.

Any military force should be dictated by the vital national security interests of the United States. And if and when we use force, we should use overwhelming force for a clearly stated objective. And then when we're done, we should get the heck out.

I'm an optimist at heart.

ISIS is gaining strength because the perception is that they're winning. And President [Barack] Obama fuels that perception.

The USA FREEDOM Act ends the NSA's unfettered data collection program once and for all, while at the same time preserving the government's ability to obtain information to track down terrorists when it has sufficient justification and support for doing so.