Why Graham Platner’s meteoric rise is so unexpected

Politico.com - For more and to sign up click here 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…