The Boston city councilor made headlines earlier this week when she sent yet another shock to the Democratic establishment by defeating ten-term congressman Michael Capuano. Unlike previous upsets of moderate Democrats such as New York’s Joe Crowley, Capuano was a strident liberal and a member of the Progressive Caucus.
A Yahoo News profile of Pressley’s primary campaign indicated she owed her win to a strong ground game, holding dozens of events in a single afternoon.