“Maine is at the burning core of a nationwide heroin epidemic, the perverse outcome of a well-intentioned drive to save Americans from the last drug craze, a widespread hunger for heroin’s chemical cousin, prescription opiate pills such as Oxycontin.” WaPo’s Marc Fisher tells the story of America’s Heroin disaster through the life and death of David McCarthy. “He finally seemed like a man. So alert, so in the world. And then he decided not to be?