Labor Secretary Tom Perez on Thursday downplayed talk that he could be Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE's vice presidential pick.

Addressing reporters on a call organized by the Clinton campaign, Perez said he's "had no conversations" with the Democratic presidential front-runner about the No. 2 slot. He said he continues to do his day job in President Obama's Cabinet while helping Clinton in his spare time.

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Perez mostly used the call to attack the policies of presumptive Republican nominee Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE, which he said would be a "train wreck" for Hispanics.

“Donald Trump’s America is about the haves and the have-nots,” Perez said.

The call was the latest in a series that the Clinton campaign has hosted as part of its efforts to attack Trump's economic policies. On Wednesday, campaign surrogates spoke about why they think the businessman's economic policies are bad for women and families.

Perez criticized Trump for saying he would eliminate the federal minimum wage and for offering a tax plan that he said would lead to large tax cuts for the wealthy.

"We should be shrinking economic inequality, not widening it,” he said.

Rep. Ruben Gallego (D-Ariz.) said on Thursday's call that Trump's immigration policies would "have a devastating effect on the U.S. economy.” He said Trump's proposal on deportation would "significantly reduce the labor force.”

Trump has said that he "loves" Hispanic people. He tweeted Wednesday that he is asking for an increase in the minimum wage and has said he is open to negotiating on taxes, though the wealthy would still get a tax cut following negotiations with Congress.

Perez said that Trump has flip-flopped so much that he should "audition for Olympic diving."

A reporter asked Perez about George Zimmerman's interest in selling the gun he used to kill Trayvon Martin and using some of the proceeds to combat Clinton's "anti-firearm rhetoric."

Perez replied, “It wouldn’t surprise me if George Zimmerman wants to be on Donald Trump’s side,” because they have the same values.