Graham Platner was always a risk for the Democrats. The Maine Senate candidate’s supporters shrugged off the Nazi tattoo and the mountain of old incendiary Reddit posts, drawn to his charisma and ready to believe in his redemption arc. Putting real people in Washington, they argued, meant accepting the real-life baggage that came with it, even if it might get exposed in the gauntlet of the campaign. But now the party is confronting the potential costs of that risk. In the last two weeks,