(ABC News) For 90 minutes tonight, the presidential-election road show will plant its big tent in Danville, Ky., where Vice President Joe Biden will take on Rep. Paul Ryan and a rising tide of support for Mitt Romney’s Republican ticket.

New polls released today and Wednesday show Romney pulling near even with President Obama in a number of battleground states, all but erasing a deficit that had been building since the conventions and spiked with the release of the infamous “47 percent” video in late September.

Watch the Biden-Ryan debate live …

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