Are ‘shy Trump supporters’ skewing polls again?

In 2016, a hidden Trump voting bloc made his support look smaller than it was. That, along with pollsters’ underestimation of his support among white non-college voters, could make polls unreliable again.

Dear reader:

Polls are catnip for political reporters, and I am no exception. This year, however, I’ve been paying less attention to the presidential “horse race" than I might otherwise, in part because of the problems with polling four years ago that pointed to a Hillary Clinton victory. It’s also such an unusual year, given the coronavirus, tough...