Pollsters fear they’re blowing it again in 2022

Pollsters know they have a problem. But they aren’t sure they’ve fixed it in time for the November election.

Since Donald Trump’s unexpected 2016 victory, pre-election polls have consistently understated support for Republican candidates, compared to the votes ultimately cast.

Once again, polls over the past two months are showing Democrats running stronger than once expected in a number of critical midterm races. It’s left some wondering whether the rosy results are setting the stage for another potential polling failure that dashes Democratic hopes of retaining control of Congress— and...