https://www.theatlantic.com/ideas/archive/2020/03/the-democrats-dont-understand-their-own-strength/608611/

«The white working class forms 46 percent of registered voters; most are women. … In the midterms, Democrats ran on cutting prescription-drug costs, building infrastructure, and limiting the role of big money, and a portion of the white working class joined the revolt. The 13-point shift against Trump was three times stronger than the shift in the suburbs that got everyone’s attention.

Trump won white working-class women by 27 points in 2016. But at the end of 2019, Biden was running dead even with Trump nationally.»