What Other Skeletons Are Lurking in Graham Platner's Closet?

What have we learned at this point about Graham Platner, presumptive Democratic candidate for Senate in the high-stakes race against Susan Collins in Maine? Mainers — and the national media — were certainly sold one story about Platner: that of an antiwar Marine during the Iraq War, a hardscrabble oysterman, and a working-class straight talker.