Phone call received about Vicki McCammon's family; Lady Bird works on Luci's wedding; Tom Clark's party for Luci Johnson and Pat Nugent; houseguests in the White House; work on Luci Johnson's wedding plans; family matters; Lady Bird mentions guests at the Clark party; Lady Bird recalls seeing the Supreme Court building in 1934 with her friend, Cecille Harrison; Lady Bird has meeting on Youth Conference and her speech