Democrats' polling denialism won't fix their minority voter problem

Even the alternative explanations are really bad for Biden

Donald Trump leads in the average of the most recent polls by 2.2 points. Despite the talking up of a better series of polls for Biden, Trump is ahead by 4 points in the latest Wall Street Journal poll. Nikki Haley leads Biden in the same poll by 17 points.

The response from the Democratic smart set has been to engage in various forms of polling denialism. The recent polls are an example of Mad Poll Disease. Another theory is that respondents are engaged in “expressive responding,” a clever-sounding explanation for why poll results don’t actually mean what they say. Proponents of this theory argue that members of base Democratic groups are using the polls to vent their frustrations with Biden, but would never actually abandon him.

Then there are the savvy Democratic pros whose aura of sophistication increases every time they sling the term “bedwetter” — the Obama-era term of derision for the nervous nellies who doubt the nominee’s strategy — in emails to their buddies at Playbook. The…