Graham Platner, the presumptive Democratic nominee to take on Republican Susan Collins in the Maine US Senate race this fall, has run on a platform of being working-class first and a challenge to party establishment.In the race for control of Congress, Platner is now one of the Democrats’ best chances of retaking the Senate. But his freshman campaign has not been without controversy, and some Democratic leaders have hesitated to back his bid.Platner sat with The New York Times’ Lulu Garcia-Navarro for a far-reaching interview that covered his time in the Marines to his controversial Reddit posts. Here are five...