On January 14, 1964, less than two months after President John F. Kennedy was assassinated in Dallas, Jacqueline Kennedy thanked the American people for the nearly 800000 cards, messages and letters of condolence she received following the death of her husband. Mrs. Kennedy made her comments on a newsreel, which was shown before feature attractions in movie theaters throughout the nation. With the late President's brothers, Attorney General Robert Kennedy and Senator Edward Kennedy, at her ...