A new Emerson College survey in Maine finds Graham Platner leading Janet Mills in the Democratic Senate primary, 55% to 28%. Thirteen percent are undecided.
In hypothetical general election match-ups, both Platner and Mills have an edge over incumbent Sen. Susan Collins.
Between Platner and Collins, 48% support Platner and 41% Collins; 6% support someone else and are undecided, respectively. In a matchup between Mills and Collins, 46% support Mills, 43% Collins, 8% someone else, and 3% are undecided.

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