“…Few, if any, other organized interests have the capacity to move as easily between the economic and political domains, to organize the identities of individuals as workers and as politically engaged citizens, and to represent the interests of working-and middle-class Americans in both elections and public policy battles. there is a long line of work documenting both the post-New Deal anchoring relationship between unions and the Democratic Party, as well as how unions boost workers' political and civic skills and interests; encourage members to participate in politics; provide considerable financing of Democrat political campaigns; and lobby on a range of leftleaning public policy issues at the local, state, and national levels (see, for instance, Dark 1999;Schickler 2016;Schlozman 2015; on unions and other political outcomes, see, for instance, Ahlquist 2017; Ahlquist and Levi 2013;Gilens 2012;Kim and Margalit 2017;Leighley and Nagler 2007;Verba, Schlozman, and Brady 1995).…”