Maine has a long track record of electing moderates. Enter Graham Platner.

This post was originally published on Politico.

BRUNSWICK, Maine — The fireplace crackled as Democratic Gov. Janet Mills laid out her vision for beating Susan Collins to a room of supporters in late January. Then came the questions about her primary opponent, Graham Platner.

Platner, one attendee noted, was very successful on social media. A second pointed to his support among young people and asked Mills whether she would support him if he became the party’s nominee.

“I am a Democrat,” Mills answered, before pivoting to how she sought as governor to make the state more affordable for young Mainers.

Mills’ Democratic primary opponent isn’t her favorite