5) Gary Gerstle, a great historian of white nationalism, tells me Biden is betting on a "Third Reconstruction." Are majorities edging towards an overhaul of our racial order?

That would broaden the possibilities for civil society. Great stuff from him:

https://www.washingtonpost.com/opinions/2020/09/04/latest-polling-suggests-trumps-campaign-strategy-may-be-imploding/

6) “When a majority is thinking that Trump is part of the problem, it is indicative that a Third Reconstruction may be underway — a multi-racial movement of Blacks and Whites to put America’s racial house in order."

Let's hope this holds. Full case here: https://www.washingtonpost.com/opinions/2020/09/04/latest-polling-suggests-trumps-campaign-strategy-may-be-imploding/

7) One last point:

The celebration of vigilante-ism, the valorization of a white couple for waving guns at protesters, plays on a deeper historical idea, that racial peace is not attainable, and that White America must periodically prepare for race war:

https://www.washingtonpost.com/opinions/2020/09/04/latest-polling-suggests-trumps-campaign-strategy-may-be-imploding/