Video: CNN's Chris Cuomo Takes on Kellyanne Conway in Epic Interview—'You're Way Off Line'

CNN's Chris Cuomo and Counselor to President Donald Trump Kellyanne Conway exchanged barbs in a heated marathon debate Wednesday evening that took up the majority of the CNN host's prime time show.

Much of the debate surrounded President Donald Trump's shifting stance on how much he knew about the hush money payments his former lawyer Michael Cohen had made to buy the silence of women alleging to have had affairs with the U.S. leader in the past.

Read more: Michael Cohen says Trump knew hush payments were wrong—"It is sad I should take responsibility for his dirty deeds"

Pointing out that Trump had previously said in April aboard Air Force One that he had no knowledge of the hush money payment made to adult film star Stormy Daniels, whose real name is Stephanie Clifford, Cuomo asserted that the president had clearly lied after the U.S. leader's own lawyer Rudy Giuliani acknowledged that Trump was, in fact, aware of the payments.

"He said on the plane, 'I know nothing about the Stormy Daniels [payment]," Cuomo said, as Conway interjected, saying "that's not a fact."

The counselor to the president then said that Trump had meant he had no knowledge of "when" the payment was made, not whether it was made.

A baffled Cuomo pointed out that there was tape of the exchange, which clearly shows Trump responding to a question of whether he knew about the $130,000 payment with the word "No."

"No, no, no," Conway said. "You just like to say the president lies and then it goes viral. He said today that he never directed Michael Cohen to break the law," she said, as Cuomo began to speak over her, noting that both Cohen and federal prosecutors had asserted that Trump had ordered his former lawyer to make the payments.

"It is incontrovertible, that's why prosecutors believe it," Cuomo said.

"Whoah, it is not!" Conway responded. "You're way off line. You're showing partisan stripes, respectfully. You cannot say it's incontrovertible."

The debate then descended into a full-blown argument, with Conway responding to Cuomo interrupting her by saying that she was the only one connected to the White House who would go on CNN because others "don't like to be interrupted at nine-o-clock at night."

Conway then said she had asked the president what he meant when he said "no" when asked in April whether he had knowledge of the payments made to Daniels, arguing that the U.S. leader had only meant that he didn't know "when" specifically the payments had been made.

As Cuomo repeatedly shut down Conway's explanation of the president's comments in April, the counselor to the president said, "Really Christopher, you're gonna call me a liar?"

"If I have to, I will," Cuomo said. "I don't want to call you a liar."

Asked what it was that Conway was "lying about," Cuomo said, "I'm not saying that you're lying. Right now, you're denying the president's lying."

Conway and Cuomo heated exchange
CNN's Chris Cuomo and Counselor to President Donald Trump Kellyanne got into a heated marathon debate Wednesday evening that took up the majority of the CNN host's prime time show. CNN