Conservative groups advising Americans not to sign up for the Obamacare exchanges “are guilty of murder,” according to Maine independent Sen. Angus King. King, who caucuses with the Democrats, told Salon in an interview published Monday that efforts to dissuade young people from signing up is a “scandal,” and a deadly one. “That’s a scandal — those people are guilty of murder in my opinion,” King said in a Friday interview with Salon’s Brian Beutler. “Some of those people they persuade are going to end up dying because they don’t have health insurance.” “For people who do that to other