GOP vice presidential candidate Paul RyanPaul Davis RyanPaul Ryan researched narcissistic personality disorder after Trump win: book Paul Ryan says it's 'really clear' Biden won election: 'It was not rigged. It was not stolen' Democrats fret over Trump-district retirements ahead of midterms MORE took a shot at Vice President Joe BidenJoe BidenSunday shows preview: Coronavirus dominates as country struggles with delta variant Did President Biden institute a vaccine mandate for only half the nation's teachers? Democrats lean into vaccine mandates ahead of midterms MORE Thursday over his latest gaffe.

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"It is great to be here in North Canton, or as Joe Biden might say, it's great to be here in Nevada," Ryan said as he opened an address at Walsh University in North Cantor, Ohio. 

Biden on Tuesday mistakenly told a crowd in Danville, Va., that they could help President Obama win North Carolina in November. 

"We can win North Carolina again," Biden said. 


More from The Hill:
♦ White House says Obama will stick with Biden as running mate
♦ Suspect in shooting allegedly said: 'I don't like your politics'


Biden is enduring a difficult week on the campaign trail. He also made headlines on Tuesday when he told a crowd in Virginia that the GOP ticket would "put y'all back in chains" by undoing financial reforms for Wall Street. The Republican ticket hammered Biden over the remarks, but Biden said GOP policies were more outrageous than anything he said.