Sen. Tim Kaine Timothy (Tim) Michael KaineNames to watch as Trump picks Ginsburg replacement on Supreme Court Barrett seen as a front-runner for Trump Supreme Court pick Biden promises Democratic senators help in battleground states MORE (D-Va.) isn't buying 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's shift on immigration.

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Kaine, 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's running mate, tore into Trump on the "Late Show" with Stephen Colbert on Thursday night.

"I don't buy it," Kaine said, adding in Spanish: "Because he's always fighting against the Latino community with words of ill will and the actions of an idiot."

"I don't speak Spanish. What is the Spanish word for 'pander?' " Colbert responded.

"I don't think that word exists in the Spanish language. It's unique to the American political tradition," Kaine said.