Graham Platner wins Maine primary election: Results and key takeaways

Graham Platner , who has advocated for government-funded healthcare, free education and a wealth tax, has won the Maine Democratic primary for the United States Senate. He will take on Republican Senator Susan Collins in a high-stakes race in November. Platner, a veteran turned oyster farmer initially backed by the progressive Democrats, was accepted by the establishment Democrats after his rival, Maine Governor Janet Mills, dropped out in April amid dismal ratings. …