The documentary "King Corn" examines the social, environmental and health effects of the corn industry in a sometimes light-hearted, sometimes serious look at industrial agriculture, corn farming and the American diet. The film will be followed by a discussion led by Curt Ellis, co-producer and co-star of the film. Free; donations welcome. For information, e-mail leevan1154@gmail.com. Presented by Congregation Shir Tikvah and Bridgeport Community Church. 4-6 p.m. Bridgeport Community Church, 621 NE 76th Ave. 503-282-1787.