Some of this is bureaucratic ineptitude and a great deal of this is an administration that doesn't understand the urgency of the situation, and therefore this [Barack Obama] administration has not reached out actively to the private sector and said, we need help.

It's not a world war yet, but we're at war, because ISIS has declared war on us.

Well, I've been a Republican for all of my voting life.

Like Hillary Clinton, I too have traveled hundreds of thousands of miles around the globe. But unlike her, I have actually accomplished something.

We must protect the right of citizens to practice their religions freely. As president, I will support federal and state-level legislation like the Religious Freedom Restoration Acts that protect citizens and their churches from government intrusion.

What I think we need to do to engage the American people in a conversation about entitlement reform is to have a bipartisan group of people who come together and put every solution on the table, every alternative on the table. And then we ought to engage in a long conversation with the American people so they understand the choices.

Customers can't always tell you what they want, but they can always tell you what's wrong.