(WTTW News)

A landslide from Joe Biden was predicted, but that has not been the case. How are pollsters justifying the continued use of polls?

Voters line up to cast early ballots in the 2020 election. (WTTW News)

National and statewide polls show former Vice President Joe Biden leading President Donald Trump ahead of Election Day. But as we learned in 2016, polls are by no means definitive indicators of victory or defeat.