Luci Nugent's 21st birthday; Lady Bird works on narrative for "Crossing the Trails of Texas" film; 50 magnolia seedlings germinated from tree at The Elms; meeting about Latin American trip; telephone call to Luci; Lady Bird views Harry Truman film; Johnsons greet General & Mrs. William Westmoreland; Lady Bird visits with the Henderson Shufflers; visit with the Westmorelands; General Westmoreland ate cookies meant for Chuck Robb; 13-year anniversary of LBJ's heart attack