A deeper look at 2020 election polling and what went wrong

Published: Nov. 19, 2020, 1:06 p.m.

The postmortem is underway for why polls tended to miss how close the presidential election would turn out to be. And, early human trial data on Oxford University’s vaccine candidate, the one manufactured by AstraZeneca, shows it seems to work especially well for adults in their 60s and 70s.