Pollsters largely got it wrong in 2016. How are they polling in 2020?
PBS, 14 Sep 2020
The national polls show Democratic nominee Joe Biden leads President Donald Trump at around the same levels as he did before the pandemic and the mass protests in the wake of George Floyd’s murder. Special Correspondent Jeff Greenfield joins Hari Sreenivasan to dissect the polling numbers and what pollsters have learned since 2016.
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