And many of the alarmists on global warming, they've got a problem cause the science doesn't back them up. And in particular, satellite data demonstrate for the last 17 years, there's been zero warming. None whatsoever.

The specific question was visa overstays.Current federal law requires a biometric exit-entry system when you come in on a visa. And the [Barack] Obama administration is just ignoring federal law. Forty percent of illegal immigration is not people who cross the borders illegally. It's people who come legally on a visa and never leave.

But we don't have a right to force anyone to abandon their faith. It is one of the foundational commitments of who we are as Americans to respect diversity.

The Scalia seat is defense. We're not going to get any better than Justice Scalia. The best we can do is preserve constitutional victories like upholding the Second Amendment, like protecting religious liberty. But we're not going to get any better.

I'm not going to impugn anyone's integrity. I'm not going to attack their character. And, in fact, I will happily praise both Donald Trump and Marco Rubio as men who I admire, as people who I'm not going to go personal with them.

If we have a biometric exit-entry system, we know on the day after six months has exceeded his visa.And with that exit- entry system, we can then send ICE, the law enforcement agents that exist, to go and get John and say, OK, you're here illegally now.

Congress needs to send a strong signal that direct communication with the leader of the free world is a privilege, particularly for a regime that has been as hostile as Iran has been towards America for more than three decades. President Rouhani needs to take these two simple steps to demonstrate good faith before any further discussions.