Shannon Mullen: “We don’t know what Graham Platner, a Democratic candidate for U.S. Senate in Maine, wrote in his sexually explicit texts with women other than his wife—six, according to his campaign; a dozen, according to an ex-aide—but do we need to?”“The glaring question that the texts pose to voters about the presumptive Democratic nominee at this point in a pivotal midterm race is: Are we really going to do this again?”