The most active wing of the Democratic Party — the roughly 20 percent of the party’s electorate that votes in primaries and wields disproportionate influence over which issues get prioritized — has moved decisively to the left. With all the attention that is being paid to Alexandria Ocasio-Cortez, Ayanna Pressley, Rashida Tlaib and other new progressive voices in Congress, this may not seem like news, but we are only just beginning to realize the full significance of this shift. CONT.
Thomas B. Edsall, New York Times