Lynda Johnson has conversation with parents in their bedroom; Johnsons go to St. Mark's Church; protests in Lafayette Square; Lady Bird plans for upcoming party; LBJ and Lady Bird have guests on the "Patrick J" boat; Walt Rostow talks of China and India; Rostow talks of Taiwan and aid to Pakistan, Communist China, and Vietnam; dinner and movies; Johnsons back to White House; Lady Bird exercises; LBJ talks with Clark Clifford