A personal assistant of famed realtor Linda Stein has been arrested in her slaying, police officials said today. Police arrested Natavia Lowery, who worked for Stein at Prudential Douglas Elliman, after she made statements that implicated her in the murder, a police department spokesman, Deputy Commissioner Paul Browne, said. Stein, a former manager for the punk rock band, The Ramones, who parlayed her links to celebrities into a lucrative real estate career that included clients such as Sting and Madonna, was bludgeoned to death on October 30th inside her multimillion-dollar Fifth Avenue apartment. Ms. Lowery is alleged to have hit...