A resident of an exclusive gated community has pleaded guilty to first-degree murder in the grisly killing of a neighbor whose head was found in the trunk of his car. Evan Marshall, 32, a bedding salesman, entered the plea Wednesday to murder, assault and other charges, about a week before jury selection was about to begin. Marshall was arrested a year ago in the death of retired schoolteacher Denice Fox, his neighbor in Glen Cove on Long Island. Marshall will get 30 years to life in prison when he is sentenced on Nov. 19 in Nassau County Court; he...