Democratic vice presidential nominee U.S. Senator Tim Kaine laid into Republican candidate Donald Trump on Wednesday, describing the billionaire as "a one-man wrecking crew" who cannot be trusted with America's future.

"Our nation, it is just too great to put it in the hands of a slick-talking, empty-promising, self-promoting, one-man wrecking crew," Kaine said in a keynote speech to the Democratic Party convention in Philadelphia.

Democratic presidential nominee Hillary Clinton chose Kaine of Virginia, as her running mate last week, opting for a partner at the Nov. 8 election who has wide experience in public service to draw a contrast with Trump who has never been elected to office.

Peppering his speech with phrases in Spanish, the bilingual Kaine said he and Clinton were "compañeros de alma," or soul mates, and led chants from the crowd of "Si, se puede." ("Yes, we can.")


Kaine said Trump, a businessman and reality TV show host, was fundamentally untrustworthy.

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"He never tells you how he’s going to do any of the things he says he’s going to do. He just says, 'believe me.' So here’s the question. Do you really believe him? Donald Trump’s whole career says you better not," Kaine said.

Kaine, who needed to reach the liberals and the anti-Clinton crowds, entertained the DNC attendees by showing off his Trump impressions. Kaine also showed how he is quick on his feet after the vice presidential nominee gave the Vermont senator a nod andthe crowd chanted "Bernie, Bernie!" Kaine nimbly followed with "we should all feel the Bern and we should not want to be burned by the other guy," which was not in his prepared speech.

At one point during the speech, anti-TPP chants were heard from the floor.

Frank Burgos and Kimberly M. Aquilinacontributed to this report.

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