Sen. Ed Markey is an 80-year-old political lifer seeking re-election at a time of deep frustration among Democratic voters with their party’s aging leadership class. But it will be a major upset if he’s defeated in today’s Democratic primary in Massachusetts. ↧ Can Ed Markey’s progressive politics overcome the age question? The 80-year-old Massachusetts senator has appeared to harness antiestablishment energy even as he faces a younger primary challenger in Rep. Seth Moulton.