Mary Rooke Commentary and Analysis Writer July 08, 2026 3:40 PM ET Graham Platner’s political career might be over after public allegations of sexual assault surfaced, and his party colleagues are wasting no time vying for a chance to replace him. The Democratic nominee for U.S. Senate in Maine has had undeniable momentum heading into the race. Democrats saw him as a candidate with enough potential to flip longtime Republican Maine Sen. Susan Collins’ seat blue. He portrayed himself as a humble oyster farmer and military veteran. His campaign consolidated progressive support and grassroots energy through his anti-establishment messaging and alignment with figures like Independent Vermont Sen. Bernie Sanders.