The West Coast's megadrought is threatening our nation's food production, and the people who produce it. Severe water shortages in California, Nevada and Arizona are drying up the supply needed for crop irrigation. For example, the Colorado River is a vital resource for Arizona farmers. Right now, it's only at 39 percent capacity. Trying to conserve what's left, regulators are cutting off 65 percent of the water supply to farmers. Correspondent Dina Demetrius traveled to Casa Grande, Arizona to talk with the Caywood family about the drought that's drying up their land.