I believe in a America first foreign policy, that far too often President [Barack] Obama and Hillary Clinton - and, unfortunately, more than a few Republicans - have gotten distracted from the central focus of keeping this country safe.

Preventing people from illegally immigrating to the United States should be the primary purpose of Customs and Border Protection.

What data can tell you is if you have 10 messages, all of which you believe, it can tell you which messages are resonating and which aren't. And if you break it down even further, the truth of the matter is some messages resonate one place and other messages resonate another place.

Any military force should be dictated by the vital national security interests of the United States. And if and when we use force, we should use overwhelming force for a clearly stated objective. And then when we're done, we should get the heck out.

If you're looking for someone to go to Washington, to go along to get along, to get - to agree with the career politicians in both parties who get in bed with the lobbyists and special interests, then I ain't your guy.

It's critical to have a sound foundation in free-market economics and the Constitution. A great many Republicans in Washington don't have that foundation.

We need a president who understands the first obligation of the commander-in-chief is to keep America safe. If I am elected president, we will hunt down and kill the terrorists. We will utterly destroy ISIS.