In Massachusetts, a Democratic primary race is heating up between Senator Ed Markey, an 80-year-old progressive, and Representative Seth Moulton, a 47-year-old Marine veteran. Moulton is challenging Markey, arguing that his age makes him unsuitable for another six-year term. This race is part of a broader conversation within the Democratic Party about the role of age in politics, sometimes referred to as a debate over "gerontocracy," or the dominance of older people in positions of power. Senator Markey has represented Massachusetts in Congress since the 1970s and has been a leading voice on climate change. He co-authored the failed Waxman-Markey cap-and-trade bill and played a key role in passing President Joe Biden’s climate legislation. Moulton, on the other hand, has built his campaign around his youth and energy, with a slogan, “Our fight can't wait,” which some interpret as a subtle critique of Markey's age. Moulton has previously challenged older lawmakers and once supported efforts to remove House Speaker Nancy Pelosi from her position. Recent polls suggest that Markey is leading Moulton by a double-digit margin in the Democratic primary. Many voters see Markey’s long tenure as a strength, citing his deep understanding of the state’s needs and his legislative experience. However, a third of primary voters say Markey's age makes them less likely to support him. The Boston Globe, which had previously backed Markey, endorsed Moulton this year, expressing concerns about Markey's ability to complete his term. Despite this, most Massachusetts Democrats seem to prioritize policy alignment over a candidate’s age. In another primary race, Representative Stephen Lynch, 71, faces a challenge from Patrick Roath, a 39-year-old lawyer. Roath supports universal healthcare, abolishing the Immigration and Customs Enforcement (ICE) agency, and implementing term limits for members of Congress. Lynch, who is considered a moderate compared to Markey, has a different ideological stance. The results of both races could offer insight into how Massachusetts voters balance age and political ideology when choosing their representatives.