AdvertisementMassachusetts Senate Primary Pits Long-Serving Progressive Against A KennedyAugust 30, 2020Callum BorchersfacebookEmailU.S. Rep. Joe Kennedy III (D-Mass.), center left, and Sen. Edward Markey (D-Mass.), center right (R) during a 2017 protest against Trump administration immigration policies. The two lawmakers face each other in a Democratic primary this Tuesday. (Getty Images)