This article was published more than 2 years agoCommentGift ShareRight before the election four years ago, polls showed Hillary Clinton holding small but shrinking leads in key states. Donald Trump outperformed those polls to win 304 electoral votes — though with a margin of fewer than 80,000 votes across three states.Now, as Election Day nears, polls show former vice president Joe Biden with a lead nationally — a more comfortable one than Clinton had, plus leads in key states needed to win the electoral college.But this does not tell us what will happen. Polls, at their best, give us...…This article was published more than 2 years agoCommentGift ShareRight before the election four years ago, polls showed Hillary Clinton holding small but shrinking leads in key states. Donald Trump outperformed those polls to win 304 electoral votes — though with a margin of fewer than 80,000 votes across three states.Now, as Election Day nears, polls show former vice president Joe Biden with a lead nationally — a more comfortable one than Clinton had, plus leads in key states needed to win the electoral college.But this does not tell us what will happen. Polls, at their best, give us...WW…