Libertarian presidential nominee Gary Johnson Gary Earl JohnsonWhat the numbers say about Trump's chances at reelection Presidential race tightens in Minnesota as Trump plows resources into state The Hill's Campaign Report: Biden condemns violence, blames Trump for fomenting it l Bitter Mass. primaries reach the end l Super PAC spending set to explode MORE says he considers Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE a fascist.

“It walks like a duck, quacks like a duck,” Johnson told The New York Times on Tuesday. "Where’s the Constitution in all this? He’s saying horrible things.”

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Johnson said his running mate, former Massachusetts Gov. Bill Weld, was “spot-on” in comparing Trump’s immigration policies to Nazi Germany earlier this year.

Weld said Trump’s plans to deport illegal immigrants reminds him of Kristallnacht — a Nazi march through Austria and Germany in 1938 that led to the destruction of Jewish properties.

“I can hear the glass crunching on Kristallnacht in the ghettoes of Warsaw and Vienna when I hear that, honest,” he said.

“My Kristallnacht analogy does evoke the Nazi period in Germany,” Weld said when asked if Trump is fascist. "And that’s what I’m worried about. A slippery slope.”

Johnson on Wednesday said party loyalty may prevent Republicans from abandoning Trump, the party's presidential nominee.

“To come out in support of anyone other than a member of your own party — I understand how difficult that is,” he said.

Johnson noted his campaign is still making overtures to anti-Trump Republicans, however, citing former California Gov. Arnold Schwarzenegger as one example.

He said the Libertarian Party ticket offers at least one trait neither Trump nor Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE has: “We’re likable."