Rep. Ted Lieu (D-Calif.) said Sunday that Rudy Giuliani's argument that he's hesitant to allow President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE to interview with the special counsel because "truth isn't truth" harkens back to former President Nixon's defense of his actions during the Watergate scandal.

"The statement by Rudy Giuliani that 'truth isn't truth' is another step towards authoritarianism. It also reminds us of Nixon's defense that 'when the president does it, that means it is not illegal,' " Lieu tweeted.

Lieu, who is one of Trump's most frequent critics in the House, urged voters to use Giuliani's remarks as motivation to go to the polls in November's midterm elections.

The statement by Rudy Giuliani that "truth isn't truth" is another step towards authoritarianism. It also reminds us of Nixon's defense that "when the president does it, that means it is not illegal."



Does this make you angry? Scared? If so, vote this Nov & get others to vote. https://t.co/gz9ixcYxVC — Ted Lieu (@tedlieu) August 19, 2018

Giuliani, who is Trump's personal lawyer in special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE's Russia investigation, appeared on NBC's "Meet the Press" Sunday, where he attempted to explain the reasoning behind drawn-out negotiations between Trump's legal team and Mueller's team over a potential interview.

"I’m not going to be rushed into having him testify so he gets trapped into perjury," Giuliani said. "And when you tell me that he should testify because he’s going to tell the truth and he shouldn’t worry, well that’s so silly because that’s somebody’s version of the truth, not the truth."

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"Truth is truth,” anchor Chuck Todd responded.

"No it isn’t," Giuliani said. "Truth isn’t truth."

"Mr. Mayor … this is going to become a bad meme," Todd interjected.

Giuliani explained that he's skeptical of having Trump speak with Mueller because the special counsel may believe former FBI Director James Comey James Brien ComeySteele Dossier sub-source was subject of FBI counterintelligence probe Judge will not dismiss McCabe's case against DOJ Democrats fear Russia interference could spoil bid to retake Senate MORE or another witness's account of events if it contradicts the president.

Trump's legal team and Mueller's team have been locked in a months-long back-and-forth over a potential interview with the president. Trump has maintained he'd like to speak with investigators, but his lawyers have voiced concerns he could perjure himself.

Giuliani earlier this month rejected Mueller's latest offer for interview terms, which included limiting questions about potential obstruction of justice.

Trump has repeatedly decried Mueller’s investigation a “witch hunt” and a “hoax.” He has in recent days accused Mueller of having a conflict of interest, though he has not provided evidence of specifics.