Moulton tests age as campaign issue with Markey challenge

Massachusetts Rep. Seth Moulton’s (D) primary challenge against Sen. Ed Markey (D-Mass.) on generational grounds raises questions about the potency of the argument as Democrats grapple with the future of their party’s aging stalwarts. In a video launching his campaign, Moulton, 46, said he does not believe Markey, 79, should be running for another six-year...