Sen. Tim KaineTimothy (Tim) Michael KaineBolton exit provokes questions about Trump shift on Iran Overnight Defense: Dems grill Trump Army, Air Force picks | House chair subpoenas Trump Afghanistan negotiator | Trump officials release military aid to Ukraine Air Force nominee: Setting up Space Force would be 'key imperative' MORE (D-Va.) isn't buying Donald TrumpDonald John TrumpJimmy Carter: 'I hope there's an age limit' on presidency White House fires DHS general counsel: report Trump to cap California trip with visit to the border MORE's shift on immigration.

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Kaine, Hillary ClintonHillary Diane Rodham ClintonGOP struggles with retirement wave Overnight Energy: Trump to revoke California's tailpipe waiver | Democrats propose bill to revoke Trump endangered species rollback | Trump officials finalize rule allowing fewer inspectors at pork plants Mark Mellman: The most important moment in history? 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.