A successful psychologist specializing in couples therapy faces felony assault and weapons-possession charges for slashing her husband with two kitchen knives on September 29th. Joyce Poster-Lederman, who practices on the Upper West Side and Riverdale, allegedly cut husband Selwyn Lederman, also a psychologist, during a domestic dispute in their West 84th Street apartment. Police sources say the marriage therapist got pissed during the argument and came at Lederman with a knife in each hand. more ›