S1, E1: On this episode of Cal's Week in Review: In the Field, MeatEater's Director of Conservation Ryan Callaghan heads to the Zumwalt Preserve, which is 37,000 acres of bunch grass prairie that look like heaven at first glance. Owned and operated by the Nature Conservancy, bow and rifle hunting are used as tools in the elk management plan. Hunters move elk around the prairie to prevent overgra kwhunting