Dem senator, 79, draws primary challenge from Rep Seth Moulton

Sen. Ed Markey, D-Mass., is facing a challenger who is making age a central issue of his bid to unseat the longtime lawmaker.On Wednesday, Rep. Seth Moulton, D-Mass., launched his U.S. Senate campaign with a video called "Lesson," referencing what his party learned during the last election cycle with then-President Joe Biden."We're in a crisis, and with everything we learned last election, I just don't believe Senator Markey should be running for another six-year term at 80 years old. Even more, I don't think someone who's been in Congress for half a century is the right person to meet this mo