King Corn

Can you get super-sized from too much corn on the cob? This amusing, eye-opening documentary follows filmmaker college pals Ian Cheney and Curt Ellis as they travel to Greene, Iowa--where their ancestors once farmed--to embark on an agricultural odyssey. Cheney and Ellis review the many changes taking place in the sphere of food production, finding that some advances come with surprising costs. 90 min. Standard; Soundtrack: English Dolby Digital 5.1.