Joan Baez, Johnny Cash and Arlo Guthrie, star in Pete Seeger: The Power of Song, a documentary film about the late Seeger, a folk singer, songwriter and activist who was once blacklisted and banned from TV for 17 years. The United Labor Agency and the North Shore Federation of Labor have sponsored this screening that takes place at 1:30 p.m. at the Cleveland Museum of Art. Tickets cost $10, or $7 for CMA members and card-carrying union members. (Niesel)