The Kurds are the greatest fighting force and our strongest allies. They're Muslim.

It is a serious undertaking and yes, we do need more fencing and we do need to use technology, and we do need more border control. And we need to have better cooperation by the way with local law enforcement. There are 800,000 cops on the beat, they ought to be trained to be the eyes and ears for law enforcement for the threat against terror as well as for immigration.

I think Putin has changed, for sure. He has changed over time and he has been emboldened by, whether it's true or not, the perception is that we've pulled back, so people do change and this is an example of that.

When businesses go through hard times, through down markets, what do they do is they challenge every basic assumption of how they operate. They innovate. They create disruption for a while that leads them to even greater heights when the economy turns around.

Leaders lead. They don't divide; they don't create a climate that is poisonous.

If we're serious about America's leadership in the world, then we need to make sure that we have the back of the armed forces.

Teachers make a difference, and we would serve our students better by focusing on attracting and retaining the quality teachers by raising teacher pay.