BOSTON -- A Norwood, Mass., man is accused of stabbing a man, stoning him and leaving him to be run over by a train because he dated a black woman, officials alleged Thursday. Dimitri Long, 28, shielded his face from the camera as he appeared in Norfolk Superior Court. "The charges are assault with intent to murder, mayhem, and civil rights violations. The dangerous weapons used were a lit cigarette and a knife," Assistant District Attorney Lynn Beland said. Officials alleged that Long was angry that the victim, a white male in his 20s, had once dated a black woman....