Graham Platner had just finished speaking to the crowd of several hundred at a town hall in Portland, Maine, when a supporter came on stage carrying a large, handmade card signed by dozens of attendees. "We are your Graham-ily," she said, reading what was written around a large red heart, "and we've got your back." The candidate for the Democratic Senate nomination in Maine, a political novice, appeared visibly moved. "I do this sometimes," he said, explaining the tear he quickly wiped away. "