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Sarah Palin blasted Vice President Biden over his claim to a Virginia audience Tuesday that Republicans would "put y'all back in chains," saying her former 2008 rival "drags down" the Obama ticket and should be replaced by Hillary Clinton.

Palin, speaking on Fox News, called Biden's comment "disgusting" considering the southern Virginia town where he was speaking is almost 50 percent black. (The Obama campaign has rejected the suggestion that the remark was in any way racial.)

"If that's not the nail in the coffin, really, the strategists there in the Obama campaign have got to look at a diplomatic way of replacing Joe Biden on the ticket with Hillary," Palin, the 2008 GOP vice presidential nominee and a Fox News contributor, said. "And I don't want to throw out that suggestion and have them actually accept the suggestion because then an Obama-Hillary Clinton ticket would have a darn good chance of winning."

She added: "But really, Joe Biden really drags down that ticket."

Biden made the remarks during a stop in Danville, Va. He took a swipe at Romney's plan to ease financial regulations.

"He said in the first 100 days, he's going to let the big banks once again write their own rules," Biden said. "Unchain Wall Street! They're gonna put y'all back in chains."

Romney later called that remark "outrageous."

But the Obama campaign called the supposed outrage "hypocritical" considering Republicans have previously called for "unshackling" the private sector from regulations.