Graham Platner Wins Maine Democratic Senate Primary, Sets Up Showdown With Susan Collins

Source: International Business Times

Graham Platner speaks at his Primary Election event on June 9, 2026 in Blue Hill, Maine. Getty Images Maine voters finalized one of the most closely watched Senate matchups of the 2026 election cycle on Tuesday, with Republican Sen. Susan Collins and Democrat Graham Platner winning their respective party nominations and advancing to the general election in November.