Whether it's a desire to eat locally or a concern about where and how food is raised, a growing number of people are adding a little cluck to their backyard. While urban chicken farming, like food gardening and beekeeping, is nothing new, its popularity has grown in recent years. "Sales of baby chicks are up about 50 percent from a year ago," says John Bellandi, owner of Alamo Hay & Grain. Online searches are going gangbusters. According to Yahoo, searches for "chicken coops" are up 100 percent, while searches for "chicken coop plans" are up 225 percent (these numbers represent...