Rachel Bitecofer: “Party-loyalty voting in 2018 was typical, with 94 percent of all House votes cast by Republicans going to Republican candidates and 95 percent of Democrats voting for Democratic candidates, following the pattern of the past two decades. Senate party loyalty is only a little weaker — averaging 92 percent in 2018 and displaying little variation from the cycles before Trump.” “The real change was who showed up to the polls — more women, young people (who increasingly live in suburbs), Latinos, Asian Americans and African Americans — not loyal voters who flipped.