ABC News' George Stephanopoulos asked Trump about McGahn's testimony in an interview this week.
"Why would [McGahn] lie under oath?" "Robert Mueller had a total conflict of interest".
"And has to go?"More news: Rare 'superflares' from Sun could disrupt Earth's communications
In a television interview with ABC News earlier this week, Trump had said he would be willing to listen to a foreign entity offering damaging information on a political opponent, saying "there isn't anything wrong with it".
The Mueller report shows no obstruction of justice, and the obstruction it shows is fake, and Congress can't hear from a person who testified about obstruction.
White House Counsel Pat Cipollone has told the committee in a letter that McGahn should not appear due to both "constitutional immunity" and "in order to protect the prerogatives of the Office of the Presidency". McGahn described how Trump directed him to press the Justice Department for Mueller's firing by insisting that he raise what the president perceived as the special counsel's conflicts of interest. The president then gave possible explanations as to why McGahn would possibly lie. It is also doubtful that McGahn, a lawyer, would have had any incentive to make a misstatement given that lying to law enforcement is a crime and Mueller's team charged multiple Trump aides with false statements. "Very, very unfair. Very unfair". Trump called his former counsel a liar.
"Wait a minute", Trump said.More news: France's Macron will send new oak to Trump after tree died
"Not on obstruction", Stephanopoulos interjected.
Stephanopoulos continued, asking Trump why he wouldn't answer the questions to Mueller under oath if he's answering them now, Trump snapped, "George, you're being a little wise guy, okay, which is typical for you".
"Just so you understand". Now, there's no collusion. "That means it was a setup, in my opinion, and I think it's going to come out".More news: Vivo's Z series to be Flipkart-exclusive in India