LBJ & Lady Bird read newspapers; to St. Patrick's Cathedral, New York City, for Robert Kennedy funeral; the Johnsons pay respects to the Kennedy family; lunch on plane back to Washington; Lady Bird reads newspapers and takes nap; mourners killed by train; Lady Bird visits with Luci & Lynda; Lady Bird has tea for Princess Grace, Monaco; LBJ & Billy Graham arrive; Johnsons meet Kennedy train at Union Station; cortege to Arlington Cemetery; James Earl Ray is arrested; Cardinal Cushing has attack on train