Sen. Rand PaulRand PaulSenate gears up for fight on Trump's 0B Saudi Arabia arms sale Paul: 0B Saudi arms deal ‘a travesty’ Senate feels pressure for summer healthcare vote MORE (R-Ky.) says he doesn't blame Hillary ClintonHillary Rodham ClintonGraham: Comey should be held accountable for acting on bad intel Hillary Clinton condemns 'racist abuse' in Portland attack Clinton returns to election night convention hall to talk about her new book MORE for her husband's past infidelities, but argued that they undermine her commitment to women's rights.

"I don't blame Hillary Clinton at all for this. I don't think she's responsible for his behavior," the White House hopeful said at Fox News's GOP debate in Iowa on Thursday night.

"But I do think her position as promoting women's rights and fairness to women in the workplace, that if Bill ClintonBill ClintonLewandowski: 'I would clearly look at' White House job Washington needs high-level science and technology expertise – now! House lawmakers pitch ban on North Korean tourism MORE did, any CEO in our country did with an intern ... in their office, they would be fired. They would never be hired again," Paul said, referencing the then-president's affair with White House intern Monica Lewinsky.

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"She can't be a champion of women's rights at the same time she's got this that is always lurking out there, this type of behavior, so it's difficult," he added.

Paul also knocked the contributions the Clinton Foundation has accepted from nations with poor women's rights records

"I combine this also with the millions upon millions of dollars they've taken from regimes in the Middle East who treat women like cattle," he said.

This wasn’t the first time Paul has commented on the former president’s past infidelities. On Sunday, he accused Bill Clinton of “predatory" sexual behavior.

GOP front-runner Donald TrumpDonald TrumpOversight Dem calls for suspension of Kushner's security clearance Civilian deaths a 'fact of life' in 'accelerating' war on Islamic State, Pentagon head says The Paris climate agreement: Stay in, renegotiate MORE has repeatedly blasted former President Clinton’s past infidelities, calling him “one of the great woman abusers of all time.”

The real estate mogul has defended his remarks, saying Bill Clinton was fair game after Hillary Clinton accused the GOP front-runner of having a "penchant for sexism."