A new ad from Ted CruzRafael (Ted) Edward CruzTrump walks tightrope on gun control State Department's top arms control official leaving Sanders NASA plan is definitely Earth first MORE's campaign attacks fellow GOP presidential hopeful Donald Trump’s “past liberal record” in light of the sudden death of Supreme Court Justice Antonin Scalia.

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In the ad, entitled "Supreme Trust, Cruz suggests Trump would nominate a liberal replacement who would go against conservative values on issues such as abortion, gay marriage, and guns.

“Life, marriage, religious liberty, the Second Amendment. We’re just one Supreme Court justice away from losing them all,” a narrator ads reads.

A 1999 interview then appears between the late NBC newsman Tim Russert and Donald Trump during which the billionaire defends abortion.

"Would President TrumpDonald John TrumpTrump's top adviser on Asia to serve as deputy national security adviser United Auto Workers strike against GM poised to head into eighth day Trump doubles down on call to investigate Biden after whistleblower complaint: 'That's the real story' MORE ban partial-birth abortions?” Russert asks.

“Well, look, I’m very pro-choice,” Trump responds.

“But you would not ban it?” Russert repeats. “Or ban partial birth abortions?”

“No, I am pro-choice in every respect,” Trump says.

The campaign ad ends on a solemn note: “We cannot trust Donald Trump with these serious decisions."

The television spot, launched Monday, follows another Cruz campaign released over the weekend that attacks Trump for his past support of Planned Parenthood.