Biden then quoted former President Clinton, saying what the 2012 Republican presidential ticket is "pushing" is former President George W. Bush's "policies on steroids." 

The initial comment sparked strong criticism from Romney's campaign, with vice presidential candidate Paul RyanPaul Davis RyanIs Joe Biden finished? Krystal Ball previews fifth Democratic debate Former Speaker Boehner's official portrait unveiled MORE saying at a campaign event a few hours after Biden's remark that Republicans "agree" that the middle class had been buried the last four years — under Obama's policies.

The remarks in the second speech are still fairly similar to the ones Biden made earlier in the day. In that speech, Biden said that Democratic claims that Romney and Ryan wanted to raise taxes on the middle class "is deadly earnest."

"How they can justify, how they can justify raising taxes on the middle class that has been buried the last four years — how in Lord's name can they justify raising their taxes with these tax cuts," Biden said in the earlier speech.