Mike Pence Michael (Mike) Richard PenceGardner signals support for taking up Supreme Court nominee this year Biden leads Trump by 12 points among Catholic voters: poll GOP brushes back charges of hypocrisy in Supreme Court fight MORE says running mate Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE will reaffirm his commitment to a border wall with Mexico when he meets with the country's president Wednesday.

“I’m very confident my running mate will be very clear with [Mexican] President [Enrique] Pena Nieto about our priority of securing the border, building a wall,” Pence, the Republican vice presidential nominee, said during a CNN interview Wednesday.

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“[Trump will be] making it clear that we are going to have a new administration that deals with and confronts not only illegal immigration, but the flood of drugs and the heartbreak of human trafficking coming across our borders.”

Pence added that Trump, the Republican presidential nominee, would remain steadfast in his positions while seeking common ground with Pena Nieto.

“To know Donald Trump is to know not your standard-issue politician, but really a business leader that knows you’ve first got to sit down with people,” he said.

“You’ve got to look them in the eye, tell them where you stand and they can express their positions. That’s where real negotiations can begin. I really expect the meeting today is just the beginning of a conversation.”

Trump and Pena Nieto announced late Tuesday that they would meet privately in Mexico City.

It will take place before Trump gives a major speech on immigration in Phoenix, Ariz., late Wednesday.