I haven't seen the documentary “King Corn,” but I have read some of Michael Pollan's writing on this issue, and it sounds like a movie worth seeing. Information about the film can be found at:
www.kingcorn.net
I saw this schedule of screenings in Iowa on the e-mail list of the Iowa Network for Community Agriculture:
December 8–Algona, Berte's Back Nine (old Algona Theatre), 7 pm
December 9–Sioux City, Orpheum Theatre, 4 pm
December 10–Greene, Community Center, 7 pm
December 11–Waterloo, Crossroads 12 Theatre, 7 pm
December 12–Cedar Rapids, CSPS, 7 pm
December 13–Eldora, Grand Theatre, 7 pm
December 14–Cedar Falls, Marcus College Square, week-long run, first show approx 7 pm
December 15–Clear Lake, The Lake Theatre, 4 pm
December 16–Fairfield, Film for Thought at the Co-Ed Theatre, 11 am
Discussions will follow each showing. If you catch this film, please put up a diary and tell us what you thought.