A live taping of World Harmony: Can It Happen? takes place from 6 to 7 p.m., Friday, April 8. Guests will be Jerry Peyton, director of Streetlight Tucson; Ezra Hagberg, director of Abolition Media; and Maria Manibusan, advocacy specialist for Girl Scouts of Southern Arizona. A studio audience is encouraged to attend; arrive at Studio A by 5:45 p.m. Rebroadcasts will air from noon to 1 p.m., Saturday, April 16, 23 and 30 on Cox Cable Channel 99 and Comcast Channel 74. Call 722-2837 for more info.