Behind the scenes the Biden/Harris campaign is in panic mode for many reasons and they continue to call in help while hoping nobody remembers things that happened just a few years ago:

This is an interesting move considering that Biden's losing support in the black voting demographic. Maybe Biden thinks there's nobody better qualified to give "you ain't black if you don't vote for me" lectures than somebody who has actually worn blackface:

Kamala Harris also called for Northam's resignation in 2019:

Imagine the MSM stories right now if this same person was a Republican and had a role in a Trump campaign event.

They can't get radical enough for Team Biden.