Leanne and Robert Baum used to take their children sledding in the field across the road from their house in Minisink, New York. But these days, Leanne, who drives a school bus for a local Christian academy, and Robert, who runs a hardware store, say they're afraid to even let their kids play in the front yard. The couple's small township in Orange County has for decades supplied fresh organic and heirloom produce to the restaurants and farmers' markets in New York City, 60 miles south. Now, it is the site of a growing health crisis.
