In July, Monmouth had the race in Pennsylvania as Joe Biden 53%, Donald Trump 40%:

But the latest poll shows the 13-point lead is now gone and President Trump is within the margin of error:

So, was the July poll just really, really bad or the race has tightened this much?

Biden leads under different scenarios, but these are also within the margin of error:

And Joe Biden’s favorability isn’t that much better than the president’s:

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