Russ Feingold said this week that if Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE wins the presidency, her family foundation should "probably" be shut down.

Feingold, a former Democratic senator from Wisconsin who is running to unseat Sen. Ron Johnson Ronald (Ron) Harold JohnsonGOP set to release controversial Biden report Democrats fear Russia interference could spoil bid to retake Senate The Hill's Morning Report - Sponsored by The Air Line Pilots Association - White House moves closer to Pelosi on virus relief bill MORE (R-Wis.), reportedly signaled that the Clinton Foundation should go further than Bill Clinton William (Bill) Jefferson ClintonBattle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates Bill Clinton on GOP push to fill Ginsburg vacancy: Trump, McConnell 'first value is power' MORE's promises to stop taking corporate and foreign cash.

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"If [the foundation] would in any way harm the credibility of the Clinton administration, I don't think it's worth having it, because the credibility and accountability of the president has to be first," Feingold said Wednesday at a campaign stop, according to The Janesville Gazette.

"So from my point, [the Clintons] should be very, very open. If it turns out it's problematic, it probably should be shut down."

Feingold’s office has not yet responded to questions from The Hill as to whether he wanted to challenge the Gazette’s account of his comments.

Questions about the Clinton Foundation have been at the center of the presidential campaign of late. Newly released emails have led to accusations that foundation donors got special access to the State Department during Clinton’s tenure leading the agency.

But no evidence has emerged showing that Clinton, as secretary of State, took any action as a result of donations to her family's foundation.

The Clinton Foundation did, however, fail to uphold a number of the promises it made to the Obama administration concerning transparency.

These failures included $2.35 million in undisclosed donations that flowed to the Clinton Foundation from a family foundation linked to a company that had a takeover deal that required approval by U.S. government agencies including the State Department.

Republicans, led by presidential nominee Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE, are seizing on the allegations, calling for the Clinton Foundation to be investigated and shut down.