Lady Bird and Luci Johnson have clothing trip to New York; possible trip by Lynda Johnson to Spain; press stationed in hotel; tea for Mrs. Diaz Ordaz of Mexico; Elizabeth Arden hair stylist does Lady Bird's hair for party; Lady Bird to Mary Lasker's party; Lady Bird relates conversation with Paul Hoffman about Africa; discussion about LBJ Library; Lady Bird meets actors and artists; Lynda Johnson attends same party later