Seth Masket: “A substantial chunk — let’s say 90% — of the story about the working class leaving the Democratic Party over the past 50 years is a story about race. To simplify, it’s about working class whites starting in the 1970s, and Latinos more recently, being mobilized against the Democratic Party due to resentment toward Blacks.” Also: “We have never had a consensus definition of ‘working class.’ It could mean people without a college education, or lower-income people, or people in specific types of jobs like manufacture or service, or something else.