Wall Street BrokerTakes Life With PistolNEW YORK lt;UPI) - A WallStreet broker and socialite killedhimself with a .45 caliber pistol Wednesday, shortly before he had an appointment with a psychiatrist .Robert Fulton Cutting II, 38, had been worried he might have to go to an institution for psychiatric care, police said. He took his life in his home while his fiance, Letitia Ambrose, waited in another room to take him to the psychiatrist.Cutting, a descendant of Robert Fulton, inventor of the steamboat, had been married to and divorced from the former Katharine D. Van Pelt.