Warren Buffett: Trump ‘afraid’ to release his tax returns
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Billionaire investor Warren Buffett on Monday evening offered to meet GOP nominee Donald TrumpDonald John TrumpO’Malley tells Dems not to fear Trump Right way and wrong way Five things to know about the elephant trophies controversy MORE at ”any place, any time" so the two could publicly exchange their tax returns.

At a rally in Omaha, Neb., for Democratic nominee Hillary ClintonHillary Diane Rodham ClintonO’Malley tells Dems not to fear Trump FBI informant gathered years of evidence on Russian push for US nuclear fuel deals, including Uranium One, memos show Pelosi blasts California Republicans for supporting tax bill MORE, Buffett knocked Trump's argument that he can't release his tax returns because he's being audited by the IRS, saying he's also under an audit.

"I'd be delighted to meet him any place, any time between now and election," Buffett said. "And let people ask us questions about the items on there."

Trump has received scrutiny from both Democrats and Republicans for refusing to release his tax returns, something that candidates have historically done while running for president.

Clinton has released more than 30 years of her returns.

"How many of you are afraid to make tax returns public?" Buffett asked. "You’re only afraid if you have something to be afraid about."

"He’s not afraid because of ... the IRS," he added. "He’s afraid of you."