WASHINGTON (TNND) — Maine Democratic Senate candidate Graham Platner is facing new allegations from former girlfriends as Democrats weigh how to respond heading into the midterms.Multiple Republican groups have employed Fifield, and Platner alleged some of the accusations were related to that. (TNND)The New York Times reported that ex-girlfriends of Platner, the presumptive Democratic Senate nominee in Maine, described what they characterized as toxic and unsettling behavior. One former girlfriend, Lyndsey Fifield, alleged Platner could get physical, saying he once twisted her arm and shoved her into a room, and that he talked about rape as a power move. Fifield...