Progressive Ed Markey, 80, faces generational test in Massachusetts Senate primary

Markey, looking to clinch another Senate term, leads younger rival Seth Moulton in blue state’s primary poll Democrats have spent the summer ousting long-serving incumbents in primaries across the country. On Tuesday, Massachusetts voters will decide whether that generational revolt extends to the 80-year-old Ed Markey, whose younger Democratic rival has argued that the incumbent is simply too old to serve another t…