Mike McCaul: “Mexico could become a safe haven for terrorists who we know are attempting to enter the United States.”

I still believe, Margaret, there are many, on both sides of the aisle, a majority of the majorities in support of this.

Those certifications are important with the United States government.

We can do both. We're a great nation. And the fact of the matter is, unfortunately, this administration has chosen not to secure the border.

It's all interconnected.