I am not in the habit of supporting people who attack my wife and attack my father. That was not a blanket commitment that if you go and slander and attack Heidi that I'm going to nonetheless come like a servile puppy dog and say thank you very much for maligning my wife and maligning my father.

I do believe, in the long term, we will either get back to the principles that built America or we lose this country. And I'm an optimist.

Marco Rubio said he was personally open over a long period of time to offering a path to citizenship for immigrants here illegally. Rubio's work on a comprehensive immigration bill is one of his biggest vulnerabilities with Republican primary voters.

We need leaders who will stand unapologetically in defense of marriage and life.

It's not a lack of competence that is preventing the [Barack] Obama administration from stopping these attacks. It is political correctness. We didn't monitor the Facebook posting of the female San Bernardino terrorist. She made a public call to jihad, and they didn't target it.

I think Super Tuesday is the most important day of this entire primary election. It is the most delegates awarded in a single night will be awarded on Super Tuesday.

But you know what? There's far more pain involved in rolling over, far more pain in hiding.